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[主观题]

The main task now facing ecologists,environmental activists and conservationists is ______

The main task now facing ecologists, environmental activists and conservationists is ______.

A．to prevent pollution by legislation, economic incentives and persuasion

B．to arouse public awareness of the importance of environmental protection

C．to take radical measures to control environmental pollution

D．to improve the quality of life by enforcing environmental standards

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发布时间：2020-10-13

更多“The main task now facing ecologists,environmental activists and conservationists is ______”相关的问题

第1题

What is the main task for aid workers now？A．To recover more bodies.B．To reconstruct the ci

What is the main task for aid workers now？

A．To recover more bodies.

B．To reconstruct the city.

C．To provide survivor more helps.

D．To predict the next earthquake.

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第2题

The main task now facing ecologists, environmental activists and conservationists is _____

A．to prevent pollution by legislation, economic incentives and persuasion

B．to arouse public awareness of the importance of environmental protection

C．to take radical measures to control environmental pollution

D．to improve the quality of life by enforcing environmental standards

点击查看答案

第3题

The main task now facing ecologists, environmental activists and conservationists is _____

A．to prevent pollution by legislation, economic incentives and persuasion

B．to arouse public awareness of the importance of environmental protection

C．to take radical measures to control environmental pollution

D．to improve the quality of life by enforcing environmental standards

点击查看答案

第4题

Pushbike Peril Low speed bicycle crashes can badly injure or even kill children if they fa

Pushbike Peril

Low speed bicycle crashes can badly injure or even kill children if they fall onto the ends of the handlebars (车把) so a team of engineers is redesigning the humble handlebar in a bid to make it safer.

Kristy Arbogast, a bioengineer at the Children's Hospital of Philadelphia in Pennsylvania, began the project with her colleagues after a study of serious abdominal(腹部的) injuries in children in the past 30 years showed that more than a third were caused by bicycle accidents. "the task was to identify how the injuries occurred and come up with some countermeasures(对策). " she says.

By interviewing the children and their parents, Arbogast and her team were able to reconstruct(重建; 重构) many of the accidents and identified a common mechanism responsible for serious injures. They discovered that most occur when children hit an obstacle at a slow speed, causing them to topple over. To maintain their balance they turn the handlebars through 90 degrees — but their momentum (冲力) forces them into the end of the handlebars The bike then falls over and the other end of the handlebars hits the ground, ramming it into their abdomen.

The solution the group came up with is a handgrip(握柄) fitted with a spring and damping(制动的; 减速的，缓冲的) system. The spring absorbs up to 50 per cent of the forces transmitted through the handlebars in an impact, The group hopes to commercialize(使商品化) the device, which should add only a few dollars to the cost of a bike. "But our task has been one of education because up until now, bicycle manufacturer were unaware of the problem," says Arbogast.

The team has also approached the US Consumer Product Safety Commission to try to persuade manufacturers to adopt the new design. A decision is expected later this year.

According to the passage, some engineers are trying to improve the handlebars because

A．they are not noble enough.

B．they may kill children.

C．they are likely to crash.

D．they make the bike move at a low speed.

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第5题

Forty-thousand of the world's young children die every day. This is 15 million a year. Man

y of these deaths can be prevented. In fact, experts say, techniques now exist to save the lives of half of these children. The techniques are medically effective, simple to use and low cost. The biggest task bas been to inform. parents about these life-saving techniques.

Diarrhea(腹泻)is the main cause of death among children in developing countries. Diarrhea results when the body tries to clear itself of harmful bacteria(细菌). The body does this by getting out liquids, sometimes uncontrollably. If too much water, sugar and salt are lost in this way, the body cannot work normally. The child may die.

The United Nations International Children's Fund, UNICEF, introduces a technique. It uses a simple mixture of sugar and salt in water. The mixture does not stop diarrhea. But if used often as needed, it keeps fluid (体液) levels normal until the body has fought off the harmful bacteria. In Egypt, for example, the treatment was used in a children's health care program in the province of Alexandria. It reduced by one-half the number of deaths caused by diarrhea. The technique bas now been used throughout the country.

According to the passage, a large number of children can be saved only when ________。

A．the life-saving ways are medically effective

B．their parents are rich enough for the life-saving techniques

C．the life-saving techniques are easy to use

D．their parents learn the life-saving techniques

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第6题

C Forty-thousand of the world' s young children die every day. This is 15 million a year.

Forty-thousand of the world' s young children die every day. This is 15 million a year. Many of these deaths can be prevented. In fact, experts say, techniques now exist to save the lives of half of these children. The techniques are medically effective, simple to use and low cost. The big-gest task has been to inform. parents about these life-saving techniques.

Diarrhea(腹泻)is the main cause of death among children in developing countries. Diarrhea results when the body tries to clear itself of harmful bacteria(细菌) . The body does this by getting out liquids, sometimes uncontrollably. If too much water, sugar and salt are lost in this way, the body cannot work normally. The child may die.

The .United Nations International Children ' s Fund, UNICEF, introduces a technique. It uses a simple mixture of sugar and salt in water. The mixture does not stop diarrhea. But if used often as needed , it keeps fluid(体液) levels normal until the body has fought off the harmful bacteria. In Eypt, for example, the treatment was used in a children ' s health care program in the province of Alexandria. It reduced by one-half the number of deaths caused by diarrhea. The technique has now been used throughout the country.

65. According to the passage, a large number of children can be saved only when _________ .

[ A ] the life-saving ways are medically effective

[ B ] their parents are rich enough for the life-saving techniques

[ C] the life-saving techniques are easy to use

[ D ] their parents learn the life-saving techniques

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第7题

•Head tile newspaper article below about new alliance in the packaging industry.R

•Head tile newspaper article below about new alliance in the packaging industry.

•Choose the best word to fill in each gap, from A, B or C.

•For each question (29-40), mark one letter (A, B or C) on your Answer Sheet.

THE BIG NUMBER

The country's demand for telephones, mobile phones, faxes and the Internet is growing at an increasingly fast rate. In fact, it is growing (29) quickly that our telephone numbering system needs re-organizing (30) some major changes will have to (31) made.

These changes, (32) , will make the system simpler and easier to use. It is (33) an important task that all the UK phone companies are working together to make (34) changes. The changes will (35) only make hundreds of millions of new numbers, but they will (36) bring order and flexibility to the system for years to come.

(37) main changes are due to happen (38) now and the year 2006, which will give you (39) of time to prepare. You will find details of the number changes on our website, (40) you can visit any time at www. numberchange, org, or call our free phone helpline on 800—820—7713.

(29)

A．so

B．that

C．too

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第8题

The main task of the new government will be to _______the country towardsdemocracy.A)

The main task of the new government will be to _______the country towardsdemocracy.

A) program

B) steer

C) count

D) perceive