2021高三英语人教版一轮课时提能练:38 选修8 Unit 3 Inventors and inventions .doc
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1、课时提能练(三十八)Unit 3Inventors and inventions课时作业A:基础层面.语境语法填空 AMost pupils have 1.expectations (expect) that they can participate in varieties of 2.practical (practice) activities off campus. Many student 3.associations (associate) often organize such activities, offering great 4.convenience (convenient
2、) for the pupils. However, experts and parents are 5.cautious (caution) about pupils taking part in social activities. Pupils are 6.innocent (innocence), and they are easily taken in. Besides, many often ignore their security when 7.merrily (merry) involved in these activities. Schools must warn the
3、ir pupils not to trust those who take interest in them 8.abruptly (abrupt) but hesitate to show their 9.identification (identify) cards.BLi Hua called me 10.up on the phone, asking if I could go with him for a hike the next day. I told him to hang 11.on for a while and then I set 12.about checking m
4、y schedule to see if I would be available. It was beyond 13.my expectations that I would have no other appointment. So I accepted his invitation. That evening, we set 14.out to make necessary preparations for the hike. Based on the weather forecast, we decided 15.on bringing raincoats with us 16.in
5、case it rained.CThere being no customers at this hour, my mother closed her shop. Before long she appeared in front of me. “Drink the milk 17.before it becomes cold and then go to sleep,” she said to me. A competition was to take place the next day. 18.Being (be) very good at science subjects, I had
6、 a good chance of gaining high grades. 19.Convinced (convince) that I would not let her down, she still expected me to sleep well and refresh my mind before the competition. “Dont stay up too late, 20.or youll feel tired tomorrow.”.语境短文改错 根据P25课文内容,对下面材料进行修改。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改
7、。Alexander Graham Bell born in 1847 in Scotland. When he was young, his family moves to Boston, USA. His mother was almost entire deaf. After that, he became interested in help deaf people communicate and in deaf education. He found that by pressing his lips against his mothers forehead, he could ma
8、ke the bones move in so a way that she could understand that he was saying. It was this exploring around problems which led to his inventions. Whats more, he was in the truth a continuing searcher. I improved the quality of everybodys life by finding much practical solutions.答案Alexander Graham Bell
9、born in 1847 in Scotland. When he was young, his family to Boston, USA. His mother was almost deaf. After that, he became interested in deaf people communicate and in deaf education. He found that by pressing his lips against his mothers forehead, he could make the bones move in a way that she could
10、 understand he was saying. It was this exploring around problems led to his inventions. Whats more, he was in truth a continuing searcher. improved the quality of everybodys life by finding practical solutions.根据提示补全句子1课堂上认真听老师讲课,否则你就无法理解他说的是什么。(祈使句or陈述句)Listen to the teacher carefully in class, or
11、you cant understand what he is saying.2白求恩大夫挽救了那么多中国士兵的生命,以至于他被中国人民永远地记住了。(so .that .)Doctor Bethune saved so many Chinese soldiers that he was remembered by the Chinese forever.3除非加以修改,否则这条法律将给农民的生活造成困难。(连词分词)Unless changed, this law will make life difficult for farmers.4只有所有国家的人们联合起来,我们才能解决世界上现存的一
12、些问题。(only开头的倒装句)Only if people of all the countries are united will we be able to solve/can we solve some existing problems in the world.5这个世界上对他来说似乎没有什么是不可能的事情。(there seem .)There seems to be nothing that seems impossible for him in the world.课时作业B:能力层面.阅读理解A(2019湖南省六校联考)Not only does the use of pl
13、astic water bottles hurt your wallet,it also increases pollution and wastes energy and water. Only 23% of all plastic in America ends up in a recycling bin, meaning over $1 billion worth of plastic is treated as rubbish a year. Recently,Skipping Rocks Lab has invented a kind of water bottle called O
14、oho.It is a convenient, clear water bottle that can either be drunk or eaten. To drink it, you can either peel off the membrane(薄膜) or tear a hole in the membrane with your teeth to pour the water into your mouth. To eat it, you simply put the whole bottle in your mouth. One problem the scientists h
15、ave run into is how to ship lots of Ooho bubbles without arriving with a very wet truck. However, they have attempted to package units of individual bubbles together inside a larger and thicker membrane. It is targeting large outdoor events such as marathons,music festivals,and sporting events,where
16、 tons of plastic bottles are used, and frequently left behind as litter. And too much plastic is sure to do harm to the environment, which could account for their purpose of such a new invention.The team has been working for the past two years to develop the technology and materials needed to produc
17、e Ooho; they have recently applied for a patent for their new advancement. The price for an individual bubble or a unit of bubbles has not been set yet,but they cost about two cents to create a unit,which is cheaper than plastic bottles. It has appeared at events in London,San Francisco,Boston,at co
18、nferences,festivals,and so on.Ooho is catching many peoples attention and has raised over $1 million and gained 1,000 investors in only three days. It is mostly being sold at events at the moment to keep the consumers interest when the production machine is running. It is quickly making a rise, so k
19、eep an eye out this year for these bottles of the future.【语篇解读】本文是一篇说明文。由于塑料瓶的使用不但浪费金钱,还造成环境污染,Skipping Rocks Lab发明了一种可以食用的包装材料Ooho。本文介绍了Ooho的食用方法,运输方法以及制作成本,并展望了其市场前景。1How is most plastic dealt with in America?AIts sold.BIts recycled.CIts buried.DIts wasted.D细节理解题。根据第一段第二句“Only 23% of all plastic i
20、n America ends up in a recycling bin, meaning over $1 billion worth of plastic is treated as rubbish a year”可知,在美国只有23%的塑料最终回到回收站,这意味着价值超过10亿美元的塑料被视为垃圾。据此可知,在美国,大部分塑料被当成垃圾处理了,故D项正确。2Why did the team invent Ooho?ATo make a profit for a company.BTo protect the environment.CTo make people eat as they d
21、rink.DTo reduce the cost of the plastic bottle.B细节理解题。根据第二段尾句“And too much plastic is sure to do harm to the environment, which could account for their purpose of such a new invention”可知,由于塑料瓶的使用污染了环境,故Skipping Rocks Lab发明了一种可以食用的包装材料Ooho,故B项正确。3What can we infer about Ooho from the text?AIt is easy
22、 and safe to ship it in large amounts.BIt has become popular since it began to be sold.CIt might be sold at a lower price than plastic bottles.DIt cost the team a lot of money to develop the technology.C推理判断题。根据第三段第二句“The price for an individual bubble or a unit of bubbles has not been set yet,but t
23、hey cost about two cents to create a unit,which is cheaper than plastic bottles”可知,该产品的制造成本比塑料瓶低;据此可推知,该产品的售价也可能比塑料瓶低,故C项正确。4What does the author really want to say in the last paragraph?AOoho is to be a success in the future.BOoho is being supported by smart people.COoho is taking the place of plas
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