问答题If 5 frogs catch 5 flies in 5 minutes, how many frogs are required to catch 50 flies in 50 minutes?
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第1题：
Your ERX router is supporting 100 virtual routers.A specific line module supports IP interfaces in 5 virtual routers.How many routing tables are maintained on that module?()A.0
B.1
C.5
D.100
参考答案：C
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第2题：
Why did the villagers agree to sell frogs?
A. The frogs were easy money.
B. They needed money to buy visitors.
C. They wanted to please the visitors.
D. The frogs made too much noise.
正确答案：A
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第3题：
why did the villagers agree to sell frogs ?
A the frogs were easy money
B They needs money to buy medicine
C they wanted to plwase the visitors
D．the forgs made too much noise
正确答案：A
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第4题：
How many syslog servers can be configured on the WX platform?（）
- A、3
- B、5
- C、8
- D、10
正确答案:B -
第5题：
问答题Known for their hunting skill, the heron feeds on fish, frogs, and crustaceans that it grabs with its spear-like beak. A B C DNo error E正确答案： B解析：
主语their为复数形式，但heron为单数，因此A中their应改为its。 -
第6题：
问答题There is one passage in this section with 5 statements. Go over the passage quickly and answer the questions on the Answer Sheet. For questions 1-5, mark Y (for YES) if the statement agrees with the information given in the passage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. When was the last time you saw a frog? Chances are, if you live in a city, you have not seen one for some time. Even in wet areas once teeming with frogs and toads, it is becoming less and less easy to find those slimy, hopping and sometimes poisonous members of the animal kingdom. All over the world, even in remote jungles on the far side of the globe, frogs are losing the ecological battle for survival, and biologists are at a loss to explain their demise. Are amphibians simply over-sensitive to changes in the ecosystem? Could their rapid decline in numbers be signalling some coming environmental disaster for us all? This frightening scenario is in part the consequence of a dramatic increase over the last quarter of a century in the development of once natural areas of wet marshland: home not only to frogs but to all manner of wildlife. Yet, there are no obvious reasons why certain frog species are disappearing from rainforests in the Southern Hemisphere which are barely touched by human hands. The mystery is unsettling to say the least, for it is known that amphibian species are extremely sensitive to environmental variations in temperature and moisture levels. The danger is that planet Earth might not only lose a vital link in the ecological food chain (frogs keep populations of otherwise pestilent insects at manageable levels), but we might be increasing our output of air pollutants to levels that may have already become irreversible. Frogs could be inadvertently warning us of a catastrophe. An example of a bizarre occurrence regarding a species of frog dates from the summer of 1995, when “an explosion” of multi-coloured frogs of the species Rana klepton esculenta occurred in the Netherlands. Normally these frogs are brown and greenish-brown, but some unknown contributory factor is turning these frogs yellow and / or orange. Nonetheless, so far, the unusual bi- and even tri-coloured frogs are functioning similarly to their normal-skinned contemporaries. It is thought that frogs with lighter coloured skins might be more likely to survive in an increasingly warm climate due to global warming. One theory put forward to explain extinct amphibian species that seems to fit the facts concerns the depletion of the ozone layer, a well-documented phenomenon which has led to a sharp increase in ultraviolet radiation levels. The ozone layer is meant to shield the Earth from UV rays, but increased radiation may be having a greater effect upon frog populations than previously believed. Another theory is that worldwide temperature increases are upsetting the breeding cycles of frogs. Statements: 1．Biologists are unable to explain why frogs are dying out. 2．Attempts are being made to halt the development of wet marshland. 3．Frogs are important in the ecosystem because they control pests. 4．It is not known why Dutch frogs are changing colour. 5．It is a fact that frogs’ breeding cycle has been upset by worldwide increases in temperature.正确答案：
1.Y 第一段提到的“biologists are at a loss to explain their demise”与本题陈述相符。at a loss是“困惑,无计可施”的意思,与“unable”同义。demise是“死亡”的意思,与“die out”同义。
2.NG
3.Y 第二段提到frogs keep populations of otherwise pestilent insects at manageable levels,译为:蛙类将某些有害昆虫的数量控制在可以管理的水平上。蛙类在食物链中的这种作用对生态系统很重要。
4.Y 倒数第二段中提到荷兰的青蛙变色这种现象时用的是bizarre occurrence“奇异的事件”,unknown contributory factor“不明因素”等词,表明人们对青蛙变色的原因不详。
5.N 文章最后一句指明worldwide temperature increases are upsetting the breeding cycles of frogs是一个theory,而不是fact。解析： 暂无解析 -
第7题：
单选题How many Team reports are available on the Cisco Supervisor Desktop?（）A1
B3
C5
D7
正确答案： D解析： 暂无解析 -
第8题：
问答题If two typists can type two pages in two minutes, how many typists will it take to type 18 pages in six minutes?正确答案： 6解析：
One typist types one page in two minutes. -
第9题：
单选题How many places in America are mentioned in this passage besides New York City?A6.
B4.
C7.
D5.
正确答案： B解析：
事实细节题。除了New York City，文中还提到了Boston，Niagara Falls，Virginia，Florida，Washington. D.C.和Albany，一共6个地方。 -
第10题：
单选题Most tree frogs change colors from time to time to fit in with its environment.AMost
Bchange
Cfrom time to time
Dits
正确答案： D解析： -
第11题：
单选题Andy and Bob are picking apples. Andy picks 16 apples per hour and Bob picks 10 apples per hour. Assuming they pick at a steady rate, after 30 minutes, how many more apples has Andy picked than has Bob?A3
B5
C6
D8
E10
正确答案： B解析：
Andy一个小时摘16个苹果，所以半个小时摘8个苹果。Bob每个小时摘10个苹果，半个小时则摘5个苹果，所以Andy摘到的苹果个数比Bob多3个，故选A项。 -
第12题：
单选题Why do some frogs change the pitch of its calls?ATo be different from others.
BTo attract a female frog.
CTo tend out messages.
DTo go against traffic noises.
正确答案： C解析：
由第三段“…further away from the traffic noise and this increases the distance over which it can be for heard,”得知青蛙改变音高是为了避免噪音干扰。 -
第13题：
How many syslog servers can be configured on the WX platform?()A.3
B.5
C.8
D.10
参考答案：B
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第14题：
A It was a village in India . The people were poor. However , they were not unhappy .After all, their forefathers had lived in the same way for centuries.
Then one day. Some visitors from the city arrived. The told the villagers there were some people elsewhere who liked to eat frog’s legs . However , they did not have enough frogs of their own ,and so they wanted to buy frogs from other place.
This seemed like money for nothing .There were millions of frogs in the fields around, and they were no use to the villagers. All they had to do was catch them .Agreement was reached ,and the children were sent into the fields to catch frogs. Every week a truck arrived to collect the catch and hand over the money. For the first time , the people were able to dream of a batter future ,But the dream didn’t last long.
The change was hardly noticed at first, but it seemed as if the crops were not doing so well. More worrying was that the children fell ill more ofen, and, there seeemed to be more insects aroud lately.
The vilagers decided that they couldn’t just wait to see the crops failing and the children getting weak. They would have to use the money earned to buy pesticides(杀虫剂) and medicines.Soon there was no money left.
Then the peaple realized what was happening. It was the frog. They hadn’t been useless.They had been doing an important job---eating insects. Now with so many frogs killed, the insects were
Increasing more rapidly. They were damaging the crops and spreading diseases.
Now, the peaple are still poor.But in the evenings they sit in the village square and listen to sounds of insects and frogs.These sounds of the night now have a much deeper meaning .
from paragraoh I we learn that the villagers __________.
A．worked very hard for centuries
B．dreamed of having a better life
C．were poor but somewhat content
D．lived a different life from their forefathers
正确答案：C
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第15题：
Within the WMM policy， how many default QoS radio access categories are there？（）
- A、 8
- B、 5
- C、 4
- D、 3
正确答案:C -
第16题：
单选题A local newspaper company prints 520 pages of the newspaper every 30 minutes. How many pages will it print in 5 hours?A2,600 pages
B86.7 pages
C5,200 pages
D10,400 pages
E1,300 pages
正确答案： D解析：
Let p = the number of pages printed in 5 hours. Set up a proportion to solve for p, remembering to use consistent units for time (either minutes or hours). Let’s change 30 minutes to 0.5 hours. 520/0.5=p/5, p=5.200pages. -
第17题：
问答题How many minutes before midnight is it if one hour ago it was five times as many minutes past 9 pm？正确答案： 20 minutes解析：
晚9点与午夜12点之间相差3小时，3小时减去1小时为2小时，把2小时平分为6份，可得20分钟。 -
第18题：
单选题What should you put in your diary?ASome frogs.
BThe date of World Wetlands Day.
C1971
DAny special day.
正确答案： B解析：
【主旨大意】本文是一篇说明文，主要向我们介绍了世界湿地日的有关信息，向我们展示了人们在世界湿地日所做的宣传和活动，以此来告诉人们湿地在人们生活中的作用。
细节理解题。第一段提到“Put 2 February in your diary! It is World Wetlands Day!”可知，日记里应该记录“世界湿地日的日期”。所以选择答案B。 -
第19题：
问答题How many minutes is it before 12 noon if 90 minutes ago it was four times as many minutes past 9 am?正确答案： 72解析：
设是中午12点以前x分钟。根据题意可得此方程式：
x=4[12×60－(90+x)－9×60]
解得x=72 -
第20题：
问答题Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B? (1) 5 minutes ago, cyclist A was 200 meters behind cyclist B. (2) Cyclist A is moving 25% faster than cyclist B.正确答案： A解析：
想要回答题目中的问题，我们需要知道A、B的速度差，故本题应选A项。 -
第21题：
问答题You are trying to fill a bath with both taps on, but have accidentally left out the plug. Normally the hot water tap takes 8 minutes to fill the bath and the cold water tap takes 10 minutes. However, the water empties out through the plug hole in 5 minutes. How long will it take for the bath to fill?正确答案： 40 minutes.解析：
设浴缸容量为x，n为三管一起开的充满水的时间，热水充满浴缸要8分钟，所以每分钟充满x/8，同理冷水每分钟充满x/10，而放水管每分钟放水x/5，故可列方程(x/8+x/10－x/5)×n=x，解得n=40，即需40分钟。 -
第22题：
问答题An employee at a company was given the task of making a large number of copies. He spent the first 45 minutes making copies at a constant rate on copier A, but copier A broke down before the task was completed. He then spent the next 30 minutes finishing the task on copier B, which also produced copies at a constant rate. How many total minutes would the task hare taken had copier A not broken down? (1) Copier A produced twice as many copies in its first 5 minutes of operation as copier B produced in its first 15 minutes. (2) Copier B produces 10 copies per minute.正确答案： A解析：
通过计算可知，条件1可以确定完成工作的时间，条件2不能确定，故本题应选A项。 -
第23题：
单选题Female frogs may not be attracted by the new call because _____.Ait is strange and unusual
Bthey are used to the old call
Cthe male frogs don’t know how to attract them
Dlower frequency has special physical meaning
正确答案： A解析：
由倒数第二段“When females have a choice between two males calling, …So, the bigger frogs tend to call lower,”可知体型大的青蛙叫声更低，更能吸引异性。D项指出低频率叫声有着特殊的物理意义，即青蛙的体型差异。所以D项真确。