必修五 Unit 3 Life in the future 2021届高考英语一轮复习能力提升题.docx
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1、必修五 Unit 3 Life in the future 能力提升一、根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 (四川2020届高三9月联合质量测评) Is our planet heating up? Are human beings to blame for climate change? _1_ The discussion on this subject has been heated, but what are scientists actually saying? At Reader's Digest, we decided to
2、 find it out._2_Yes, it has and even warmer. Greenland was forested between 450,000 and 800,000 years ago, so temperatures were considerably warmer then. There have also been other times of relatively high temperatures.So why does the concern exist?It's all about the speed at which temperatures
3、are changing. _3_ But in the 20th and 21st centuries, especially since 1976, temperatures have probably risen more quickly than that during any century in the past 1,000 years. Warming may bring improved crop production and other benefits to northern countries such as Canada or Russia. However, many
4、 species may not adapt to these conditions, and the one that is able to may cause a problem. _4_ The West Nile virus, first seen in North America nine years ago, infected about 4,000 people in the US in 2006. The mountain pine beetle, which is active during warmer winters, has already destroyed abou
5、t 13 million hectares of Canada's forests, worth an estimated $6.4 billion.What is causing the warming?IPCC has concluded that human activity is very likely responsible by increasing the concentrations of greenhouse gases and thus the greenhouse effect. _5_ They argue the human contribution is n
6、othing.A. Some scientists, however, still disagree.B. Has the planet ever been this warm before?C. Has human behavior made the planet warm?D. Temperatures have been changing all the time.E. In the past, temperatures moved up or down gradually.F. Mosquitoes have been moving northwards to higher place
7、s.G. These questions have burst into newspapers, films and popular books.【主题语境】人与自然【语篇解读】本文是一篇议论文,主要是科学家对气候变暖的相关问题的讨论。【答案解析】1. G根据空前提出的两个问题可知,G项中的these questions指代前文的两个问题;再根据空后提到“气候变暖”的问题讨论一直很热烈可知,G项“这些问题总在报纸、电影和畅销书籍中被提到过”承上启下。2. B本文其它小标题都是疑问句。根据空后提到的“是的,有,而且更暖和”及列举的例子可知,B项“地球以前有过这么温暖吗?”符合本段主旨。3. E根
8、据空前提到温度的变化速度可知,E项“在过去,温度是逐渐升降的”承接上文,与下文进行对比。4. F空前提到的许多物种无法适应这种环境,而能够适应这种环境的可能会造成问题。空后列举了两个例子。F项“蚊子正一直向北移动到较高的地方”也是物种适应环境的例子,承接上文。5. A根据空前提到的政府间气候变化专门委员会得出结论,人类活动很可能是气候变暖的罪魁祸首和空后提到的“他们认为人类的贡献微不足道”可知,A项“然而,一些科学家仍然不同意”承上启下。二、完形填空(浙江嘉兴市第一中学2020届高三上期中考试)Michael is an Iraq and Afghanistan war veteran (老兵
9、). Three years ago, he couldn't leave the house _6_. He felt uncomfortable and anxious in public places, but that all _7_ after he got his assistance dog Ojai.“When my wife wasn't with me, I was a _8_. Because I get overwhelmed (不知所措), I couldn't _9_ public by myself. But I could go out
10、on the subway or at a restaurant _10_ I had Ojai. And I needn't _11_ my wife for everything.”Ojai was _12_ at Canine Companions for Independence, an organization that provides assistance dogs to people with _13_. Like Ojai, these dogs can _14_ dropped items, open and close doors, and know over 4
11、0 advanced commands. Among them, Labrador (拉布拉多犬) _15_ the best in adaptability. They are versatile (有多种技能的), big enough to _16_ the daily commands like turning on a light switch and being _17_ enough to be able to fit easily on a plane or train and stay out of the way.They begin training as puppies
12、 for 18 months to learn _18_ socialization skills. Then, they _19_ to the main training center again for another six months of further training with _20_ instructors. When that's completed, roughly half of the dogs _21_ with marks high enough to be _22_ with a person who needs its help.To Michae
13、l, Ojai is _23_ the eyes, “Ojai and I are a(n) _24_, so what I do he does, what he does I do. He is a loyal helper, a dedicated friend and the _25_ companion.”6. A. normally B. aloneC. straight D. often7. A. started B. endedC. changed D. kept8. A. mess B. puzzle C. danger D. trouble9. A. lead to B.
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