The San Andreas fault is ______.A) an active fault systemB) a place where earthquakes have been predicted accuratelyC) a place where earthquakes have been controlledD) the location of the Rocky Mountain

第1题：

--- ____?

一I’ve never been there but I hope to go there in the future.

A.Where are you going for holiday

B.Have you been to America

C.What did you do last week

参考答案：B

第2题：

一____________?

一I’v never been there but I hope to go there in the future.

A .Where are you going for holiday

B. Have you been to America

C. What did you do last week

参考答案：B

第3题：

The New Madrid fault is______.

A) a horizontal fault

B) a vertical fault

C) a more serious fault than the San Andreas fault

D) responsible for forming the Mississippi River

正确答案：B
答案：B
[试题分析]细节了解题。
[详细解答]本题答案可以直接从第五段第一句话The New Madrid fault，on the other hand，is a vertical fault看出。因此B为正确答案。

第4题：

What did scientists learn about earthquakes at the Rocky Mountain Arsenal?

A) They occur at about 4,000 metres below ground level.

B) The injection of water into earthquake faults prevents earthquakes from occurring.

C) They are usually caused by the oil in the faults.

D) Harmful earthquakes earl be possibly prevented by causing small, harmless earthquakes.

正确答案：D
答案：D
[试题分析] 细节题。
[详细解答] 最后一句话…scientists could inject some kind of fluid like water into faults and change one big earthquake in to a number of small，harmless earthquakes．告诉了我们答案，显然，D正确。

第5题：

The patches where rust have been removed should be wiped clean before paint is ______.

A.applied

B.supplied

C.replied

D.complied

正确答案：A

第6题：

共用题干
Study Helps Predict Big Mediterranean Quake

1.Scientists have found evidence that an overlooked fault in the eastern Mediterranean is likely to produce an earthquake and tsunami every 800 years as powerful as the one that destroyed Alexandria in AD 365.
2.Using radiocarbon dating techniques,simulations and computer models,the researchers recreated the ancient disaster in order to identify the responsible fault."We are saying there is probably a repeat time of 800 years for this kind of earthquake,"said Ms Beth Shaw,an earthquake scientist at the University of Cambridge,who led the study. Scientists study past earthquakes in order to deter-mine the future possibility of similar large shocks.
3.Identifying the fault for the AD 365 earthquake and tsunami is important for the tens of millions of people in the region,Ms.Shaw said.The fault close to the southwest coast of Crete last produced a big enough quake to generate a tsunami about 1300,which means the next powerful one could come in the next 100 years,she added in a telephone interview.
4.Ms.Shaw and her colleagues calculate the likely intervals by measuring the motion of either side of the fault to find how often such large earthquakes would have to occur to account for that level of motion,she said.Their computer model suggested an 8 magnitude quake on the fault would pro-duce a tsunami that floods the coastal regions of Alexandria and North Africa,the southern coast of Greece and Sicily all the way up the Adriati to Dubrovnik.This would be similar to the ancient quake in AD 365 that caused widespread destruction in much of Greece and unleashed a tsunami that flooded Alexandria and the Nile Delta likely killing tens of thousands of people,she said.

Ms.Shaw measured the movement of either side of the fault to identify the magnitude of the earthquake taking place in AD 365.
A:Right
B:Wrong
C:Not mentioned

答案：B

解析：

本题给出的信息是正确的。根据题目中的提到的overlook和fault，使用关键词定位法，定位到文章第一段话：" Scientists have found evidence that an overlooked fault in the eastern Mediterranean is likely to produce an earthquake and tsunami every 800 years as powerful as the one that destroyed Alexandria in AD 365.”公元365年，东部地中海地区发生特大地震和海啸，摧毁了亚历山大市，科学家们已经找到了证据证明：那里存在的一直被人忽视的断层，每隔800年就有可能就引发一次强地震和海啸。这与本题所描述的“科学家已经仔细研究了这个此前一直被忽略的断层”相符，所以选A。
本题给出的信息是错误的。选择题目中较独特的短语“AD 365”作为关键词进行信息定位，找到文章第三段第一句话：" Identifying the fault for the AD 365 earthquake and tsunami is important for the tens of millions of people in the region , Ms.Shaw said.”肖女士说：对于地中海地区上千万的居民来说，确定是断层引发了公元365年地震和海啸非常重要。这与本题所描述的“确定是断层引发了公元365年地震和海啸非常有趣”相悖，所以选B。
文章没有谈到这方面的信息。本题题干为：“放射性碳年代测定技术可以用于确定地球的年龄。”全文没有提到radiocarbon dating techniques可用来确定地球的年龄。所以选C。
本题给出的信息是正确的。选择题干的关键词“next powerful earthquake"，定位到文章第三段第二句话：" The fault close to the southwest coast of Crete last produced a big enough quake to generate a tsunami about 1300,which means the next powerful one could come in the next 100 years , she added in a telephone interview.”她在一次电话访问中补充说：克里特岛西南海岸附近的断层最后一次引发足以引起海啸的大地震是在公元1300年左右，这就意味着下一次强地震将在未来的100年中出现。这与本题所描述的“科学家预测下一次强地震将在2100年以前出现”一致，所以选A。
本题给出的信息是正确的。选择“Ms.Shaw'，这个称呼使用专有名词定位法进行定位，找到第四段第一句："Ms.Shaw and her colleagues calculate the likely intervals by measuring the motion of either side of the fault to gauge how often such large earthquakes would have to occur to account for that level of motion.”肖女士和她的同事测量了断层两侧的震动强度，并确定大规模地震多久发生一次才会引起这样的震动强度，从而推算出地震产生的大致间隔时间。这与本题所描述的“肖女士让她的同事帮她做地震的预测工作”一致，所以选A。
本题给出的信息是错误的。题干的意思是：“肖女士和她的研究组测量了断层两侧的震动强度，确定了公元365年地震的震级。”原文中与之相关的信息出现在第四段第一句中："Ms.Shaw and her colleagues calculate the likely intervals by measuring the motion of either side of the fault to find how often such large earthquakes would have to occur to account for that level of motion.”肖女士和她的同事测量了断层两侧的震动强度，并确定大规模地震多久发生一次才会引起这样的震动强度，从而推算出地震产生的大致间隔时间。由于所表述的行为目的不同，这句恰恰证明了题干上的说法是错误的。所以选B。
文章没有谈到这方面的信息。题干的意思是：“由肖女士研发的地震预警装置现在在全球广泛使用。”文章中没有一句提到肖女士发明过地震预测装置，更没有谈及这种装置在全世界得到广泛应用这一点，所以选C。

第7题：

共用题干
A Great Quake Coming?

Everyone who lives in San Francisco knows that earthquakes are common in the Bay Area一and they
can be devastating. In 1906,for example,a major quake destroyed about 28,000 buildings and killed
hundreds,perhaps thousands of people.Residents now wonder when the next"Big One"will strike.It's
bound to happen someday. At least seven active fault（断层）lines run through the San Francisco area. Faults
are places where pieces of Earth'S crust（地壳）slide past each other.When these pieces slip,the ground
shakes.
To prepare for that day,scientists are using new techniques to reanalyze the 1906 earthquake and pre-
diet how bad the damage might be when the next one happens.
One new finding about the 1906 earthquake is that the San Andreas fault split apart faster than scientists
had assumed at the time. During small earthquakes,faults rupture（断裂）at about 2.7 kilometers per second.
During bigger quakes,however.ruptures can happen at rates faster than 3.5 kilometers per second.
At such high speeds,massive amounts of pressure build up,generating underground waves that can
cause more damage than the quake itself. Lucky for San Francisco , these pressure pulses（脉冲）traveled
away from the city during the 1906 event.As bad as the damage was,it could have been far worse.
Looking ahead,scientists are trying to predict when the next major quake will occur. Records show that
earthquakes were common before 1906.Since then,the area has been relatively quiet.Patterns in the data,
however,suggest that the probability of a major earthquake striking the Bay Area before 2032 is at least 62
percent.
New buildings in San Francisco are quite safe in case of future quakes.Still,more than S4 percent of the
city’s buildings are old and weak.Analyses suggest that another massive earthquake would cause extensive
damage.
People who live there today tend to feel safe because San Francisco has remained pretty quiet for a
while.According to the new research,however,it's not a matter of"if" the Rig One will hit.It',just a mat-
ter of when.

A major earthquake striking San Francisco someday is inevitable.
A:Right
B:Wrong
C:Not mentioned

答案：A

解析：

短文第一段的倒数第兰句提到至少有7条地质断层线穿越旧金山。
短文虽然说旧金山大地震的破坏力非常大，但没有明确指出其程度是美国历史之最。
从第兰段最后一句话可知答案。
第五段的第二句话提到1906年前地震频繁。
倒数第二段提到：城里超过84％的建筑是旧的、不坚固的。所以旧金山并没有为地震做好准备。
第五段的最后一句话说科学家们顶测地震发生的概率荃少为62%，但是这并不意味着科学家们就能预测出准确的时间，最后一段也只说明这是个时间问题，而没有说出具体时间。
短文末尾提到：问题已不再是“是否”将会发生大地震，而是“什么时候”会发生。第3部分：概括大意与完成句子

第8题：

共用题干
A Great Quake Coming?

Everyone who lives in San Francisco knows that earthquakes are common in the Bay Area一and they
can be devastating. In 1906,for example,a major quake destroyed about 28,000 buildings and killed
hundreds,perhaps thousands of people.Residents now wonder when the next"Big One"will strike.It's
bound to happen someday. At least seven active fault（断层）lines run through the San Francisco area. Faults
are places where pieces of Earth'S crust（地壳）slide past each other.When these pieces slip,the ground
shakes.
To prepare for that day,scientists are using new techniques to reanalyze the 1906 earthquake and pre-
diet how bad the damage might be when the next one happens.
One new finding about the 1906 earthquake is that the San Andreas fault split apart faster than scientists
had assumed at the time. During small earthquakes,faults rupture（断裂）at about 2.7 kilometers per second.
During bigger quakes,however.ruptures can happen at rates faster than 3.5 kilometers per second.
At such high speeds,massive amounts of pressure build up,generating underground waves that can
cause more damage than the quake itself. Lucky for San Francisco , these pressure pulses（脉冲）traveled
away from the city during the 1906 event.As bad as the damage was,it could have been far worse.
Looking ahead,scientists are trying to predict when the next major quake will occur. Records show that
earthquakes were common before 1906.Since then,the area has been relatively quiet.Patterns in the data,
however,suggest that the probability of a major earthquake striking the Bay Area before 2032 is at least 62
percent.
New buildings in San Francisco are quite safe in case of future quakes.Still,more than S4 percent of the
city’s buildings are old and weak.Analyses suggest that another massive earthquake would cause extensive
damage.
People who live there today tend to feel safe because San Francisco has remained pretty quiet for a
while.According to the new research,however,it's not a matter of"if" the Rig One will hit.It',just a mat-
ter of when.

Scientists will be able to predict the exact time of an earthquake soon.
A:Right
B:Wrong
C:Not mentioned

答案：C

解析：

短文第一段的倒数第兰句提到至少有7条地质断层线穿越旧金山。
短文虽然说旧金山大地震的破坏力非常大，但没有明确指出其程度是美国历史之最。
从第兰段最后一句话可知答案。
第五段的第二句话提到1906年前地震频繁。
倒数第二段提到：城里超过84％的建筑是旧的、不坚固的。所以旧金山并没有为地震做好准备。
第五段的最后一句话说科学家们顶测地震发生的概率荃少为62%，但是这并不意味着科学家们就能预测出准确的时间，最后一段也只说明这是个时间问题，而没有说出具体时间。
短文末尾提到：问题已不再是“是否”将会发生大地震，而是“什么时候”会发生。第3部分：概括大意与完成句子

第9题：

共用题干
A Great Quake Coming?

Everyone who lives in San Francisco knows that earthquakes are common in the Bay Area一and they
can be devastating. In 1906,for example,a major quake destroyed about 28,000 buildings and killed
hundreds,perhaps thousands of people.Residents now wonder when the next"Big One"will strike.It's
bound to happen someday. At least seven active fault（断层）lines run through the San Francisco area. Faults
are places where pieces of Earth'S crust（地壳）slide past each other.When these pieces slip,the ground
shakes.
To prepare for that day,scientists are using new techniques to reanalyze the 1906 earthquake and pre-
diet how bad the damage might be when the next one happens.
One new finding about the 1906 earthquake is that the San Andreas fault split apart faster than scientists
had assumed at the time. During small earthquakes,faults rupture（断裂）at about 2.7 kilometers per second.
During bigger quakes,however.ruptures can happen at rates faster than 3.5 kilometers per second.
At such high speeds,massive amounts of pressure build up,generating underground waves that can
cause more damage than the quake itself. Lucky for San Francisco , these pressure pulses（脉冲）traveled
away from the city during the 1906 event.As bad as the damage was,it could have been far worse.
Looking ahead,scientists are trying to predict when the next major quake will occur. Records show that
earthquakes were common before 1906.Since then,the area has been relatively quiet.Patterns in the data,
however,suggest that the probability of a major earthquake striking the Bay Area before 2032 is at least 62
percent.
New buildings in San Francisco are quite safe in case of future quakes.Still,more than S4 percent of the
city’s buildings are old and weak.Analyses suggest that another massive earthquake would cause extensive
damage.
People who live there today tend to feel safe because San Francisco has remained pretty quiet for a
while.According to the new research,however,it's not a matter of"if" the Rig One will hit.It',just a mat-
ter of when.

The highest speed of fault ruptures in the 1906 quake was more than 3.5kiiometors per second.
A:Right
B:Wrong
C:Not mentioned

答案：A

解析：

短文第一段的倒数第兰句提到至少有7条地质断层线穿越旧金山。
短文虽然说旧金山大地震的破坏力非常大，但没有明确指出其程度是美国历史之最。
从第兰段最后一句话可知答案。
第五段的第二句话提到1906年前地震频繁。
倒数第二段提到：城里超过84％的建筑是旧的、不坚固的。所以旧金山并没有为地震做好准备。
第五段的最后一句话说科学家们顶测地震发生的概率荃少为62%，但是这并不意味着科学家们就能预测出准确的时间，最后一段也只说明这是个时间问题，而没有说出具体时间。
短文末尾提到：问题已不再是“是否”将会发生大地震，而是“什么时候”会发生。第3部分：概括大意与完成句子

第10题：

Your customer has deployed a Cisco Wireless Location Appliance within its warehouse environment. However，employees there have been experiencing problems when tracking objects using active RFIDtags. The RFID beacon rate is 10 seconds and you have discovered an issue with the RFID timeout value. Where and how should the RFID value be changed？（）

A、on the Cisco WCS， to 95 seconds
B、on the Cisco WCS， to 45 seconds
C、on the wireless controller， to 95 seconds
D、on the wireless controller， to 45 seconds

正确答案:C

第11题：

单选题

Apart from special circumstances，the value of the goods for which compensation must be made，if they have been lost or damaged，（）that which they would have had at the time and place at which they ought to have been delivered in proper condition.

A

contains

B

remains

C

has

D

is

正确答案： B

解析：暂无解析

第12题：

单选题

The patches where rust have been removed should be wiped clean before paint is（）.

A

applied

B

supplied

C

replied

D

complied

正确答案： D

解析：暂无解析

第13题：

--- ______?

--- I’ve never been there but I hope to go there in the future.

A. Have you been to America

B. Where are you going for holiday

C. What did you do last week

参考答案：A

第14题：

Text 3

Everyone has heard of the San Andreas fault, which constantly threatens California and the West Coast with earth- quakes. But how many people know about the equally serious New Madrid fault in Missouri.'?

Between December of 1811 and February of 1812, three major earthquakes occurred, all centered around the town of New Madrid, Missouri, on the Mississippi River. Property damage was severe.

Buildings in the area were almost dest oyed. Whole forests fell at once, and huge cracks opened in the ground, allowing smell of sulfur to filter upward.

The Mississippi River itself completely changed character, developing sudden rapids and whirlpools. Several times it changed its course, and once, according to some observers, it actually appeared to run backwards. Few people were killed in the New Madrid earthquakes, probably simply because few people lived in the area in 1811; but the severity of the earth- quakes are shown by the fact that the shock waves rang bells in church towers in Charleston, South Carolina, on the coast. Buildings shook in New York City, and clocks were stopped in Washington D.C. Scientists now know that America's two major faults are essentially different. The San Andreas is a horizontal boundary between two major land masses that are slowly moving in opposite directions. California earthquakes result when the movement of these two masses suddenly lurches forward.

The New Madrid fault, on the other hand, is a vertical fault; at some point, possibly hundreds of millions of years ago, rock was pushed up toward the surface, probably by volcanoes under the surface. Suddenly, the volcanoes cooled and the rock collapsed, leaving huge cracks. Even now', the rock continues to settle downwards, and sudden sinking motions trigger earthquakes in the region. The fault itself, a large crack in this layer of rock, with dozens of other cracks that split off from it, extends from northeast Arkansas through Missouri and into southern Illinois.

Scientists who have studied the New Madrid fault say there have been numerous smaller quakes in the area since 1811; these smaller quakes indicate that larger ones are probably coming, but rite scientists say they have no method of predicting when a large earthquake will occur.

31. This passage is mainly about ______.

A) the New Madrid fault in Missouri

B) the San Andreas and the New Madrid faults

C) the causes of faults

D) current scientific knowledge about faults

正确答案：B
答案：B
[试题分析]文章主旨题。
[详细解答]从文章开头就可以看出文章的话题就是美国的两个断层，而后文也正是围绕此话题展开的，井对比了两个不同性质的断层。因此，选择答案B为正确答案。

第15题：

Text 4

The U.S. government has recently helped people learn more about the dangers of earthquakes by publishing a map. This map shows the chances of an earthquake in each part of the country. The areas of the map where government is spending a great deal of money and is working hard to help discover the answer to these two questions:

1. Can we predict earthquakes?

2. Can we control earthquakes?

To answer the first question, scientists are looking very closely at the most active fault systems in the country, such as the San Andreas fault in California. A fault is a break between two sections of the earth's surface. These breaks between sections are the places where earthquakes occur.

Scientists look at the faults for changes which might show that an earthquake was about to occur. But it will probably be many years before we can predict earthquakes accurately and the control of earthquakes is even farther away.

Nevertheless, there have been some interesting developments in the field of controlling earthquakes. The most interesting development concerns the Rocky Mountain Arsenal earthquakes. Here water was pat into a layer of rocks 4,000 metres below the surface of the ground. Shortly after this injection of water, there was a small number of earthquakes. Scientists have decided that the water which was injected into the rocks worked like oil on each other. When the water" oiled" the fault, the fault became slippery and the energy of an earthquake was released.

Scientists are still experimenting at the site of these earthquakes. They have realized that there is a connection between the injection of the water and the earthquake activity. They have suggested that it might be possible to use this knowledge to prevent very big, destructive earthquakes, that is, scientists Could inject some kind of fluid like water into faults and change one big earthquake into a number of small, harmless earthquakes.

36. Earthquake belts are ______.

A) maps that show where earthquakes are likely to occur

B) zones with a high probability of earthquakes

C) breaks between two sections of the earth's surface

D) the two layers of earth along a fault

正确答案：B
答案：B
[试题分析] 常识题。
[详细解答] 解答本题我们显然可以通过所知的地理知识就可判断，当然B为正确答案。

第16题：

Apart from special circumstances，the value of the goods for which compensation must be made，if they have been lost or damaged，______ that which they would have had at the time and place at which they ought to have been delivered in proper condition．

A.contains

B.remains

C.has

D.is

正确答案：D

第17题：

Where events have rendered performance of the contract illegal either by English law or by the law of the country in which performance was to have taken place，the Charterer will ______ from the liability to provide a cargo．

A.be provided

B.be excused

C.be supplied

D.be replied

正确答案：B

第18题：

Little help seems to_____ the disaster-hit area since the explosion took place 3 hours ago.

A.offer
B.have been offered
C.be offered
D.have offered

答案：B

解析：

本题考查动词时态和语态辨析。题目意为“自从3小时前发生爆炸以来，灾区似乎没有得到什么帮助。”题干中，since意为“自……以来”，引导时间状语从句时常与完成时态连用，因此排除A和C选项。另外，此处help与offer在逻辑上是被动关系，表示帮助被提供，因此用被动语态，B选项符合题意。
　　

第19题：

共用题干
A Great Quake Coming?

Everyone who lives in San Francisco knows that earthquakes are common in the Bay Area一and they
can be devastating. In 1906,for example,a major quake destroyed about 28,000 buildings and killed
hundreds,perhaps thousands of people.Residents now wonder when the next"Big One"will strike.It's
bound to happen someday. At least seven active fault（断层）lines run through the San Francisco area. Faults
are places where pieces of Earth'S crust（地壳）slide past each other.When these pieces slip,the ground
shakes.
To prepare for that day,scientists are using new techniques to reanalyze the 1906 earthquake and pre-
diet how bad the damage might be when the next one happens.
One new finding about the 1906 earthquake is that the San Andreas fault split apart faster than scientists
had assumed at the time. During small earthquakes,faults rupture（断裂）at about 2.7 kilometers per second.
During bigger quakes,however.ruptures can happen at rates faster than 3.5 kilometers per second.
At such high speeds,massive amounts of pressure build up,generating underground waves that can
cause more damage than the quake itself. Lucky for San Francisco , these pressure pulses（脉冲）traveled
away from the city during the 1906 event.As bad as the damage was,it could have been far worse.
Looking ahead,scientists are trying to predict when the next major quake will occur. Records show that
earthquakes were common before 1906.Since then,the area has been relatively quiet.Patterns in the data,
however,suggest that the probability of a major earthquake striking the Bay Area before 2032 is at least 62
percent.
New buildings in San Francisco are quite safe in case of future quakes.Still,more than S4 percent of the
city’s buildings are old and weak.Analyses suggest that another massive earthquake would cause extensive
damage.
People who live there today tend to feel safe because San Francisco has remained pretty quiet for a
while.According to the new research,however,it's not a matter of"if" the Rig One will hit.It',just a mat-
ter of when.

Earthquakes rarely happened in San Francisco before 1906.
A:Right
B:Wrong
C:Not mentioned

答案：B

解析：

短文第一段的倒数第兰句提到至少有7条地质断层线穿越旧金山。
短文虽然说旧金山大地震的破坏力非常大，但没有明确指出其程度是美国历史之最。
从第兰段最后一句话可知答案。
第五段的第二句话提到1906年前地震频繁。
倒数第二段提到：城里超过84％的建筑是旧的、不坚固的。所以旧金山并没有为地震做好准备。
第五段的最后一句话说科学家们顶测地震发生的概率荃少为62%，但是这并不意味着科学家们就能预测出准确的时间，最后一段也只说明这是个时间问题，而没有说出具体时间。
短文末尾提到：问题已不再是“是否”将会发生大地震，而是“什么时候”会发生。第3部分：概括大意与完成句子

第20题：

共用题干
A Great Quake Coming?

Everyone who lives in San Francisco knows that earthquakes are common in the Bay Area一and they
can be devastating. In 1906,for example,a major quake destroyed about 28,000 buildings and killed
hundreds,perhaps thousands of people.Residents now wonder when the next"Big One"will strike.It's
bound to happen someday. At least seven active fault（断层）lines run through the San Francisco area. Faults
are places where pieces of Earth'S crust（地壳）slide past each other.When these pieces slip,the ground
shakes.
To prepare for that day,scientists are using new techniques to reanalyze the 1906 earthquake and pre-
diet how bad the damage might be when the next one happens.
One new finding about the 1906 earthquake is that the San Andreas fault split apart faster than scientists
had assumed at the time. During small earthquakes,faults rupture（断裂）at about 2.7 kilometers per second.
During bigger quakes,however.ruptures can happen at rates faster than 3.5 kilometers per second.
At such high speeds,massive amounts of pressure build up,generating underground waves that can
cause more damage than the quake itself. Lucky for San Francisco , these pressure pulses（脉冲）traveled
away from the city during the 1906 event.As bad as the damage was,it could have been far worse.
Looking ahead,scientists are trying to predict when the next major quake will occur. Records show that
earthquakes were common before 1906.Since then,the area has been relatively quiet.Patterns in the data,
however,suggest that the probability of a major earthquake striking the Bay Area before 2032 is at least 62
percent.
New buildings in San Francisco are quite safe in case of future quakes.Still,more than S4 percent of the
city’s buildings are old and weak.Analyses suggest that another massive earthquake would cause extensive
damage.
People who live there today tend to feel safe because San Francisco has remained pretty quiet for a
while.According to the new research,however,it's not a matter of"if" the Rig One will hit.It',just a mat-
ter of when.

The San Francisco area is located above several active fault lines.
A:Right
B:Wrong
C:Not mentioned

答案：A

解析：

短文第一段的倒数第兰句提到至少有7条地质断层线穿越旧金山。
短文虽然说旧金山大地震的破坏力非常大，但没有明确指出其程度是美国历史之最。
从第兰段最后一句话可知答案。
第五段的第二句话提到1906年前地震频繁。
倒数第二段提到：城里超过84％的建筑是旧的、不坚固的。所以旧金山并没有为地震做好准备。
第五段的最后一句话说科学家们顶测地震发生的概率荃少为62%，但是这并不意味着科学家们就能预测出准确的时间，最后一段也只说明这是个时间问题，而没有说出具体时间。
短文末尾提到：问题已不再是“是否”将会发生大地震，而是“什么时候”会发生。第3部分：概括大意与完成句子

第21题：

Great changes （） in China since 1978.

A、take the place
B、took the place of
C、have taken place
D、have been taken place

正确答案:C

第22题：

翻译：We hope you will quote your rock-bottom price, otherwise we have no alternative but to place our orders else where.

正确答案: 我们希望你方能报最底价，否则我们只能到其他地方下订单。

第23题：

单选题

The court may reduce or deny remuneration if it appears that the salvors have by their fault （）or have been guilty of theft，receiving stolen goods，or other acts of fraud.

A

given the necessary salvage or assistance

B

given the salvage or assistance necessary

C

rendered the necessary salvage or assistance

D

rendered the salvage or assistance necessary

正确答案： D

解析：暂无解析

The San Andreas fault is ______.A) an active fault systemB) a place where earthquakes have been predicted accuratelyC) a place where earthquakes have been controlledD) the location of the Rocky Mountain

题目

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