1、高一英语必修二Unit 2课时练习（Listening and Talking）一、单句语法填空：1The robot can help farmers save money by _ (reduce) the use of fertilizers.2. Many interesting experiments _ (do) these days.3Researchers might have found a(n) _ (usual) way to reduce plastic pollution, a newspaper reported.4. My watch doesnt work. I
2、t _ (repair) in the factory now.5I visited Australia last year and saw three _ (deer) and two _ (kangaroo) on the plain.6. Chinese food _ (love) by people all over the world.7This contributes to harmony of the family and friendly relations of the _ (neighbor)8. Tom _ (treat) in the hospital now, so
3、he cant attend the meeting at present.9. These children _ (look) after by two young teachers now.10. The camera that is being used by him now _ (belong) to me.二、词汇运用：1. We all need to take measures to _ (减少) our carbon footprint.2When a student _ (攻击) a professor on the social media, the language us
4、ed actually says more about the student. 3You can refer to any living thing that is not a plant as a _ (生物)4What has led many governments to _ (移走) necessary equipment?5. We grew up in the same _ (街区) so we are old friends.6. Their _ (净得的) income grew by 37% last year.7This _ (网) is dangerous to ani
5、mals. Please remove it immediately.8. He was bitten by an _(昆虫) in the wild.9The huge number of visitors is bringing a _(威胁) to the area.10The countries around the world should hold together always as one family in _(和谐)三、句型转换：1为了想法子增加家庭收入，她开始制作洋娃娃。While _ a way to increase the family income, she be
6、gan making dolls.2.雇员人数已减少到了25人。The number of employees 25.3为了赢得比赛他每天都训练。He practices every day _ he may win the match.4他的成功主要归功于勤奋努力。His success was largely _ _ hard work.5.孩子们好的地方是他们非常容易适应新环境。 The good thing about children is that they _ new environments.二、阅读理解People have known for a long time tha
7、t plants can hear, see, smell and communicate with each other. Now, they have been recorded making sounds when stressed. In a study, Itzhak Khait and his team found that tomato and tobacco plants can make ultrasonic(超声的) noises. The plant “cry out” due to lack of water, or when they are cut. The sou
8、nd is just too high for human to hear. Microphones were placed 10 centimeters away from the plants and picked up sounds in the range of 20 to 100, 000 hertz(赫兹). Human hearing usually ranges from 20 to 20, 000 hertz. On average, “thirsty” tomato plants made 35 sounds an hour, while tobacco plants ma
9、de 11. When plant was cut, tomato plants made an average of 25 sounds in the following hour, and tobacco plants 15. Perhaps most interestingly, different types of stress led to different sounds. The researchers used a special machine to separate the plants sounds from those of wind, rain and other n
10、oises of the greenhouses. In most cases, it correctly told whether the stress was caused by dryness or a cut. Water-hungry tobacco made louder sounds than cut tobacco, for example. Although Khait and his team only looked at tomato and tobacco plants, they thought other plants also made sounds when s
11、tressed. Khait s report also suggested that insects could hear the sound up to 5 meters away and respond. The team said if farmers could hear these sounds, they could give plants the water they need. As climate change causes more droughts(干旱), they said this would be important information for farmer
12、s, for the sound that drought-stressed plants made could be used in agriculture. If plants are screaming for fear of their survival, should we be thankful we can t hear them? 1. Which did Khait and his team find from their research? A. Only tomato plants could make ultrasonic noises. B. Humans can h
13、ear plants crying while cutting them. C. Plants were able to produce sounds when stressed. D. Plants made ultrasonic noises to communicate with each other. 2. How did tomato and tobacco plants react to different stresses according to the text? A. Cut tobacco plants made weaker sounds than drought-st
14、ressed ones. B. Tomato plants reacted to different stresses with the same sound. C. Cut tomato plants produced more sounds than water-hungry ones. D. Tobacco plants made louder sounds than tomato plants when short of water. 3. What s the main idea of Paragraph 5? A. Farmers imagine what the future a
15、griculture will be like. B. Farmers have contributed a lot to the research. C. Farmers can apply the result of the research to agriculture. D. Farmers will face lots of challenges in the future. 4. Where is this text most likely from? A. A nature magazine.B. A novel. C. A diary. D. A guidebook. 学科网（北京）股份有限公司
