高考英语复习备考：主题语境---世界与环境 主题测试.docx

《高考英语复习备考：主题语境---世界与环境 主题测试.docx》由会员分享，可在线阅读，更多相关《高考英语复习备考：主题语境---世界与环境 主题测试.docx（6页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、高考英语复习备考：主题语境世界与环境主题测试I .阅读理解Plastic-Eating WormsHumans produce more than 300 million tons of plastic every year. Almost half of that winds up in landfills （垃圾填埋场）, and up to 1 2 million tons pollute the oceans. So far there is no effective way to get rid of it, but a new study suggests an answer ma

2、y lie in the stomachs of some hungry worms.Researchers in Spain and England recently found that the worms of the greater wax moth can break down polyethylene, which accounts for 40% of plastics. The team left 1 00 wax worms on a commercial polyethylene shopping bag for 1 2 hours, and the worms consu

3、med and broke down about 92 milligrams, or almost 3% of it. To confirm that the worms* chewing alone was not responsible for the polyethylene breakdown, the researchers made some worms into paste（糊状物）and applied it to plastic films. 1 4 hours later the films had lost 1 3% of their mass -apparently b

4、roken down by enzymes （酶） from the worms stomachs. Their findings were published in Current Biology in 201 7.Federica Bert echini, co-author of the study, says the worms, ability to break down their everyday foodbeeswaxalso allows them to break down plastic. uWax is a complex mixture, but the basic

5、bond in polyethylene, the carbon-carbon bond, is there as well, she explains. “The wax worm evolved a method or system to break this bond.”Jennifer Derby, a microbiologist at the University of Tennessee, who was not involved in the study, says it is not surprising that such worms can break down poly

6、ethylene. But compared with previous studies, she finds the speed of breaking down in this one exciting. The next step,Derby says, will be to identify the cause of the breakdown. Is it an enzyme produced by the worm itself or by its gut microbes （肠道微生 物）？Bert echini agrees and hopes her teams findin

7、gs might one day help employ the enzyme to break down plastics in landfills. But she expects using the chemical in some kind of industrial processnot simply millions of worms thrown on top of the plastic.1. What can we learn about the worms in the study?A. They take plastics as their everyday food.

8、B. They are newly evolved creatures.C. They can consume plastics. D. They wind up in landfills.2. According to Jennifer Derby, the next step of the study is toA. identify other means of the breakdown B. find out the source of the enzymeC. confirm the research findings D. increase the breakdown speed

9、3. It can be inferred from the last paragraph that the chemical mightA. help to raise worms B. help make plastic bagsC. be used to clean the oceans D. be produced in factories in future4. What is the main purpose of the passage?A. To explain a study method on worms. B. To introduce the diet of a spe

10、cial worm.C. To present a way to break down plastics. D. To propose new means to keep eco-balance.II.补全信息In one way or another, all our water comes from the sea.1 The vapor rises and freezes to form clouds. These clouds release their water as rain, often when they are blown over high ground. Rain go

11、es deep into the ground, runs into streams and rivers, and flows back into the sea. Also, plants take water from the soil and put some back into the air as vapor. In this way, water is always being recycled.2Human beings also take part in the water cycle. We build reservoirs （水库） to trap water for o

12、ur houses and factories.3Some water takes many thousands of years to complete the cycle. It collects in huge areas of underground. This kind of water is often used by people as a source of tap water. People around the world use tap water in their daily life. 4A lot of reservoirs have been built and

13、they have brought many changes to the landscape and affected wildlife. People do not know the fact that taking too much water from underground can change the conditions on the surface. For example, it can dry out the habitats of some wildlife. If sewage （污水） or chemical waste is not made clean caref

14、ully, they can make drinking water dirty.5A good water cycle is humans luck.A. It is important that we should use water in a responsible way.B. There are many problems with the use of tap water.C. This is called the water cycle.D. Learning how to recycle water not only saves you money, but also is g

15、ood for the planet.E The sun heats the sea, and water evaporates to become vapor.F. Our waste water and sewage is put back into the sea though it is sometimes purified first.G. Many rivers and lakes are being polluted by the waste water from factories.III .短文改错A week before Earth Day, posters were p

16、ut up around our school, called on us to take part the action for a greener earth. Our class came up with the idea of making a better use of used materials. We bring worn-out clothes and empty plastic bottles but turned them into dolls and handbags. That weekends, we went to a nearby neighborhood an

17、d gave away that we had made to the people there. Everyone was very happily with those gifts, especially little kids and elderly people. We did such well that we were invited by our headmaster to share this meaningful experience and our ideas with all the students of their school.IV .书面表达上周日，你班开展以“美

18、化城市环境，倡导低碳生活”为宗旨的志愿者活 动。活动内容包括：上午去郊区植树；下午去广场宣传，分发传单。请你就 这个活动为校报写一篇题为“A voluntary activity”的新闻报道。内容包括：1 .活动内容与宗旨；2 .对同学的影响；3 .你的评价。注意：1 .词数100左右；2 .可以适当增加细节，以使行文连贯。参考词汇：传单leaflet郊区suburb低碳生活 a low-carbon lifestyle A voluntary activityLast Sunday, our class launched a voluntary activity. 世界与环境答案I .阅读理

19、解【语篇解读】本文为说明文，介绍了一种吃塑料的虫子一一大蜡螟，它 胃中的酶能够降解塑料，这为解决塑料污染提供了新的途径。I 4 CBDCII .补全信息【语篇解读】本文是一篇说明文，介绍了大自然的水循环和人类参与的 水循环。文章让我们了解到人类务必要以负责任的态度科学用水，因为良 好的水循环是人类的福音。I 5 ECFBAIII .短文改错A week before Earth Day, posters were put up around our school, called on us to take part calling A the action for a greener eart

20、h.Our class came in up with the idea of making a better use of used materials. We bring worn-out clothes and empty brought plastic bottles but turned them into dolls and handbags.That weekends, we went to a nearby weekend neighborhood and gave away that we had made to what the people there.Everyone

21、was very happily happy with those gifts, especially little kids and elderly people.We did such well that we were invited so by our headmaster to share this meaningful experience and our ideas with all the students of their school.IV .书面表达A voluntary activityLast Sunday, our class launched a voluntar

22、y activity. Its theme was to make the city more beautiful and advocated a low-carbon lifestyle. In the morning, we went to plant trees in cooperation in the suburbs. Some dug holes; some carried and planted trees and others watered them. In the afternoon, we went to the Peoples Square to hand out le

23、aflets, raising peoples awareness of environmental protection. Most of us think highly of the activity, which will surely have a positive effect on our daily life.In my opinion, its everyones duty to protect the environment. As long as there is the possibility of saving our planet, do take action now before it is too late. Low-carbon living is surely a way of great significance.