单选题_____A conductingB encounteringC wagingD combating
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conducting
encountering
waging
combating
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第1题：
Passage 2 A great deal of attention is being paid today to the socalled digital divide — the division of the world into the info(information) rich and the info poor. And that divide does exist today. My wife and I lectured about this looming danger twenty years ago. What was less visible then, however, were the new, positive forces that work against the digital divide. There are reasons to be optimistic.
There are technological reasons to hope the digital divide will narrow. As the Internet becomes more and more commercialized, it is in the interest of business to universalize access — after all, the more people online, the more potential customers there are. More and more governments, afraid their countries will be left behind, want to spread Internet access. Within the next decade or two, one to two billion people on the planet will be netted together. As a result, I now believe the digital divide will narrow rather than widen in the years ahead. And that is very good news because the Internet may well be the most powerful tool for combating world poverty that we've ever had.
Of course, the ue of the Internet isn't the only way to defeat poverty. And the Internet is not the only tool we have. But it has enormous potential.To take advantage of this tool, some impoverished countries will have to getover their outdated anticolonial prejudices with respect to foreign investment. Countries that still think foreign investment is an invasion of their sovereignty might well study the history of infrastructure (the basic structural foundations of a society) in the United States. When the United States built its industrials infrastructure, it didn't have the capital to do so. And that is why America's Second Wave infrastructure — including roads, barbors, highways, prots and so on — were built with foreign investment. The English, the Germans, the Dutch and the French were investing in Britain's former colony. They financed them. Immigrant Americans built them. Guess who owns them now? The Americans. I believe the same thing would be true in places like Brazil or anywhere else for that matter. The more foreign capital you have helping you build your Third Wave infrastructure, which today is an electronic infrastructure, the better off you're going to be. That doesn't mean lying down and becoming fooled, or letting foreign corporations run uncontrolled. But it does means recognizing how important they can be in building the energy and telecom infrastructures needed to take full advantage of the Internet.
第55题：Digital divide is something _______ .
A getting worse because of the Internet
B the rich countries are responsible for
C the world must guard against
D considered positive today
正确答案：C选［C］。本题不是要对digital divide 下定义，而是作出评价。文章第一段中的"Mywife and I lectured about this looming danger twenty years ago"对digital divide做了评价，关键词是looming danger(隐约出现的危险)，表明digital divide是有危险的，因此全世界需要防范。 -
第2题：
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.
A.generators
B.oil drums
C.the bridge controls
D.combustible metals
正确答案：B
便携式泡沫储备气压式灭火器最适宜扑灭油桶火。 -
第3题：
Questions 184-188 refer to the following article.
President Barack Obama has issued his call to put global warming at the top of the international
agenda, pledging to push for coordinated action by the world's biggest countries to tackle problem of climate change.
In the speech, the US president on Tuesday laid out a three-pan plan to deal with climate change using the power of his office.
He outlined a strategy to cut the US's carbon pollution by reducing emissions from coal-fired power plants; to prepare the US for the impact of climate change, such
as the super storm that ravaged the New Jersey coastline last year, and to lead the world by example in combating changing climate.
"While no single step can reverse the effects of climate change, the president believes we have a moral obligation to our kids to leave them a planet that's not polluted and White House official said.
The coal industry said the proposals could prove devastating-----shares in US coal mining companies have been falling sharply-but Mr. Obama ' s speech was being watched closely around the world.
In Europe, where the Eurozone crisis has pushed the
climate change agenda firmly into the political background, environmental campaigners said they hoped Mr.Obama's speech would puncture arguments tackling global warming as bad for the economy.”If you have got the US and China moving, then the argument that the EU is going it alone clearly doesn't stand up to scrutiny anymore," said Tom Brookes of the European Climate Foundation.
The president said he would seek to expand new and existing international initiatives,including bilateral initiatives with China, India and other big emissions countries.
According to the passage, what was the possible solution for the problem?A. Seeking international coordination of big emission countries
B. Making EU 's action ahead of environment campaigners
C. Enhanced awareness of environmental campaigners
D. Expanding the influence of some Asian countries答案：A解析：根据原文“the president said he would seek to expand new and existinginternational initiatives，including bilateral initiatives with China，India and other bigemissions Countries.
”可知A 正确。 -
第4题：
Questions 11 to 15 are based on the following passage. Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts. The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come. The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA. But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for. Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms. The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms. Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system. There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one. If children have flu-like symptoms, their parents （）
- A、are advised not to give them aspirin
- B、should watch out for signs of Reye syndrome
- C、are encouraged to take them to hospital for vaccination
- D、should prevent them from mixing with people running a fever
正确答案:A -
第5题：
单选题Which extinguishing agent is effective in combating an isoprene fire?（）ADry chemicals
BCO2
CFoam
DAll the above
正确答案： A解析： 暂无解析 -
第6题：
单选题A foam-type portable fire extinguisher would be most useful in combating a fire in（）.Asolid materials such as wood or bales of fiber
Bflammable liquids
Ca piece of electrical equipment
Dcombustible metallic solids
正确答案： D解析： 暂无解析 -
第7题：
单选题正确答案：解析： -
第8题：
单选题A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.Agenerators
Boil drums
Cthe bridge
Dcombustible metals
正确答案： C解析： 暂无解析 -
第9题：
单选题Which parameters are valid SCREEN options for combating operating system probes?（）Asyn-fin, syn-flood, and tcp-no-frag
Bsyn-fin, port-scan, and tcp-no-flag
Csyn-fin, fin-no-ack, and tcp-no-frag
Dsyn-fin, syn-ack-ack-proxy, and tcp-no-frag
正确答案： B解析： 暂无解析 -
第10题：
单选题可以单选题场景中的某个物体作为发射器的粒子是（）.ABlizzard
BSpray
CPArray
DPCloud
正确答案： C解析： 暂无解析 -
第11题：
A foam-type portable fire extinguisher would be most useful in combating a fire in ______.
A.solid materials such as wood or bales of fiber
B.flammable liquids
C.a piece of electrical equipment
D.combustible metallic solid
正确答案：B
便携式泡沫灭火器对扑灭可燃液体着火最有效。 -
第12题：
Foam-type portable fire extinguishers are most useful in combating fires involving ______.
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
正确答案：B
泡沫型便携式灭火器对于陷于易燃性液体火灾的扑灭最有效。 -
第13题：
Questions 184-188 refer to the following article.
President Barack Obama has issued his call to put global warming at the top of the international
agenda, pledging to push for coordinated action by the world's biggest countries to tackle problem of climate change.
In the speech, the US president on Tuesday laid out a three-pan plan to deal with climate change using the power of his office.
He outlined a strategy to cut the US's carbon pollution by reducing emissions from coal-fired power plants; to prepare the US for the impact of climate change, such
as the super storm that ravaged the New Jersey coastline last year, and to lead the world by example in combating changing climate.
"While no single step can reverse the effects of climate change, the president believes we have a moral obligation to our kids to leave them a planet that's not polluted and White House official said.
The coal industry said the proposals could prove devastating-----shares in US coal mining companies have been falling sharply-but Mr. Obama ' s speech was being watched closely around the world.
In Europe, where the Eurozone crisis has pushed the
climate change agenda firmly into the political background, environmental campaigners said they hoped Mr.Obama's speech would puncture arguments tackling global warming as bad for the economy.”If you have got the US and China moving, then the argument that the EU is going it alone clearly doesn't stand up to scrutiny anymore," said Tom Brookes of the European Climate Foundation.
The president said he would seek to expand new and existing international initiatives,including bilateral initiatives with China, India and other big emissions countries.
According to the passage, it can be implied that the coal industry______A. was indifferent about the proposal
B. agreed with the proposal
C. would express opinions after close watching
D. disagreed with the proposal答案：D解析：根据原文The Coal industry said the proposals Could prove devastating-sharesin US Coal mining Companies have been falling sharply-but Mr.
Obama's speech was being watchedClosely around the world 即煤炭行业表示，这些提议可能产生毁灭性的后果。美国煤矿企业的股价最近在大幅下跌。但奥巴马的演讲受到全球的密切关注。既然对行业是沉重打击，煤炭工业人士自然是反对的。故选D。 -
第14题：
Which parameters are valid SCREEN options for combating operating system probes？（）
- A、syn-fin， syn-flood， and tcp-no-frag
- B、syn-fin， port-scan， and tcp-no-flag
- C、syn-fin， fin-no-ack， and tcp-no-frag
- D、syn-fin， syn-ack-ack-proxy， and tcp-no-frag
正确答案:C -
第15题：
单选题Foam-type portable fire extinguishers are more usefull in combating fires involving（）.Asolid materials such as wood or bales of fiber
Binflammable liquids
Celectrical equipment
Dmetallic solids
正确答案： B解析： 暂无解析 -
第16题：
单选题Which of the fire extinguishing agents listed is the safest to use when combating a class C fire?（）ACO2
BFoam
CWater fog
DSoda acid
正确答案： C解析： 暂无解析 -
第17题：
单选题When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）ABlanket the cargo spill with foam
BPrevent the spread of fire with a foam dam
CApply CO2 on burning fuel at its source
DShut off the transfer of cargo
正确答案： C解析： 暂无解析 -
第18题：
单选题Questions 11 to 15 are based on the following passage. Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts. The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come. The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA. But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for. Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms. The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms. Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system. There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one. We learn from the passage that （）Aone doesn’t need to take any medicine if he has a cold or the flu
Baspirin should not be included in over-the-counter medicines for the flu
Cdelayed treatment of the flu will harm the liver and central nervous system
Dover-the-counter drugs can be taken to ease the misery caused by a cold or the flu
正确答案： D解析： 暂无解析 -
第19题：
单选题Questions 11 to 15 are based on the following passage. Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts. The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come. The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA. But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for. Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms. The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms. Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system. There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one. According to the passage, to combat the flu effectively, （）Aone should identify the virus which causes it
Bone should consult a doctor as soon as possible
Cone should take medicine upon catching the disease
Done should remain alert when the disease is spreading
正确答案： A解析： 暂无解析