高中英语Unit1LivingwellSectionⅢ—Grammar课后习题(含解析)新人教版选修.docx
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1、Unit 1 Living wellSecti onlll-Grammar 课后篇巩固提升 一、句型转换1. It is impossible that a child can lift such a heavy box.It is impossible such a heavy box.答案for a child to lift2. It happened that you had known each other before.You happened each other before. 答案to have known3. It was said that he had been tol
2、d about the news.He was said about the news. 答案to have been told4. The teacher made the student stand all the time.The student al 1 the time by the teacher.答案 Nas made to stand5. They saw her enter the room.She enter the room by them.答案Ms seen to 二、完成句子1 .他太激动了,以至于说不出话来。Hewas . 答案too excited to say
3、any word2 .我们知道她研究这个问题有好几年了。She is known on the problem for many years.答案to have been working 3 .他好像正在吃什么东西。 He seems something.答案to be eating4 .她觉得有必要重申她的立场。She found reassert her position. 答案it necessary to5 .我从家里一路走到图书馆,不料图书馆已经关门了。I walked all the way from home to the library,it closed.答案only to
4、find 三、阅读理解(2019 北京)By the end of the century, if not sooner,the world? s oceans will be bluer and greener thanks to a warming climate, according to a new study.At the heart of the phenomenon lie tiny marine microorganisms(海洋彳散生物)called phytoplankton. Because of the way light reflects off the organi
5、sms, these phytoplankton create colourful patterns at the ocean surface. Ocean colour varies from green to blue, depending on the type and concentration of phytoplankton. Climate change will fuel the growth of phytoplankton in some areas, while reducing it in other spots, leading to changes in the o
6、cean s appearance.Phytoplankton live at the ocean surface, where they pull carbon dioxide (二氧化 碳)into the ocean while giving off oxygen.When these organisms die,they bury carbon in the deep ocean, an important process that helps to regulate the global climate. But phytoplankton are vulnerableto the
7、ocean? s warming trend. Warming changes key characteristics of the ocean and can affect phytoplankton growth, since they need not only sunlight and carbon dioxide to grow, but also nutrients.Stephanie Dutkiewicz, a scientist in MIT s Center for Global Change Science, built a climate model that proje
8、cts changes to the oceans throughout the century. In a world that warms up by 3 , it found that multiple changes to the col our of the oceans would occur.The model projects that currently blue areas with little phytoplankton could become even bluer. But in some waters, such as those of the Arctic, a
9、 warming will make conditions riper for phytoplankton, and these areas will turn greener. Not only are the quantities of phytoplankton in the ocean changing, “ she said, “but the type of phytoplankton is changing. ”And why does that matter?Phytoplankton are the base of the food web. If certain kinds
10、 begin to disappear from the ocean,Dutkiewicz said, “it will change the type of fish that will be able to survive. Those kinds of changes could affect the food chain.Whatever colour changes the ocean experiences in the coming decades will probably be too gradual and unnoticeable,but they could mean
11、significant changes. It 11 be a while before we can statistically show that the changes are happening because of climate change, Dutkiewicz said, “but the change in the colour of the ocean will be one of the early warning signals that we really have changed our planet.” 1. What are the first two par
12、agraphs mainly about?A.The various patterns at the ocean surface.B.The cause of the changes in ocean colour.C.The way light reflects off marine organisms.所以选B项。D. The efforts to fuel the growth of phytoplankton.根据文章前两段的内容可知,这两段主要介绍了海洋颜色发生变化的原因。2. What does the underlined word “vulnerable” in Paragra
13、ph 3 probably mean?A. Sensitive. B. Beneficial.C. Significant.MaD.Unnoticeable.解析阿义猜测题。根据下一句“Warmingchangeskeycharacteristicsoftheoceanandcanaffectphytoplanktongrowth” 可 知,浮游生物容易受到气候变暖的影响,vulnerable的含义与sensitive最为接近。所以选A 项。3. What can we learn from the passage?A.Phytoplankton play a declining role i
14、n the marine ecosystem.B. Dutkiewicz, s model aims to project phytoplankton changes.C.Phytoplankton have been used to control global climate.D.Oceans with more phytoplankton may appear greener.SgD曲|细节理解题。根据第四段第四句uButinsomewaters. . , awarmingwillmakeconditionsriperforphytoplankton, andtheseare aswi
15、11 turngreener. 可知在某些海域,气候变暖给浮游生物提供更成熟的条件,而这些水域 将会变得更绿。所以选D项。4. What is the main purpose of the passage?A.To assess the consequences of ocean colour changes.B.To analyse the composition of the ocean food chain.C. To explain the effects of climate change on oceans. D.To introduce a new method to stud
16、y phytoplankton.画写作意图题。通读文章的第一段以及最后一段的内容可知i,作者写这篇文章的主要目的就 是解释气候变化对海洋的影响。所以选c项。BSince the 1970s, scientists have been searching for ways to link the brain with computers. Brain-computer interface (界面)(BCI) technology could help people with disabilities send commands to machines.Recently, two research
17、ers,Jose Milan and Michele Tavella from the Federal Polytechnic school in Lausanne, Switzerland, demonstrateda small robotic wheelchair directed by a person s thoughts.In the laboratory,Tavella operated the wheelchair just by thinking about moving his left or right hand. He could even talk as he wat
18、ched the vehicle and guided it with his thoughts.“Our brain has billions of nerve cells.These send signals through the spinal cord (脊髓)to the muscles to give us the ability to move.But spinal cord injuries or other conditions can prevent these weak electrical signals from reaching the muscles, “ Tav
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