2017届高考英语一轮复习梯级训练： Unit 3（人教版必修2）

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　　梯级演练·强技提能

　　Ⅰ. 句型转换

　　1. With more and more people around the world watching the Spring Festival Gala, China’s important role in the world is shown in a way. (改为as引导时间状语从句)

　　→2. The weather was so fine that day that they decided to go playing outdoors. (改为倒装句)

　　→3. The activity to be held in the hall is calculated to last three hours. (改为it作形式主语)

　　→

　　4. The snow was heavy; as a result, many workers had to give up driving to work. (用as a result of改写句子)

　　→

　　5. His confidence which arose from his knowledge and experience won him another chance to succeed. (改为简单句)

　　→

　　答案: 1. As more and more people around the world watch the Spring Festival Gala, China’s important role in the world is shown in a way.

　　2. So fine was the weather that day that they decided to go playing outdoors.

　　3. It is calculated that the activity to be held in the hall will last three hours.

　　4. Many workers had to give up driving to work as a result of the heavy snow.

　　5. His confidence arising from his knowledge and experience won him another chance to succeed.

　　Ⅱ. 完成句子

　　1. She has ever said that she doesn’t like_____________ who are smart. (deal)她曾经说过不喜欢和那些精明的人打交道。

　　2. that about 70% people gained weight during the Spring Festival. (calculate)

　　据计算大约70%的人在春节期间增加了体重。

　　3. Read the instructions carefully and find out the way. (solve)

　　仔细阅读说明, 找出如何解决这个问题的方法。

　　4. They use specially trained dogs. (watch)

　　在晚上, 他们使用专门训练的狗来看守他们的羊群。

　　5. It is a long time since they separated, but it won’t be long. (meet)

　　自从他们分别以来已经有很长时间了, 但是不久他们会再次相遇。

　　1. to deal with those

　　2. It has been calculated

　　3. to solve the problem

　　4. to watch over their sheep at night

　　5. before they meet again

　　Ⅲ. 语篇完形

　　The computer is a machine that was designed to work for people since 1. birth. When it first came into being, it was just a 2. ____ (calculate)machine, and later it was built as an analytical machine that could“think”3. ____ (logic)and produce an answer quicker than any person. In 1936, Alan Turing wrote a book about 4. ____ the computer could be made to work as 5. ____ “universal machine”to solve any difficult mathematical problem. 6. ____ then on, it grew rapidly both in size 7. ____ in brainpower. By the 1940s it 8. ____ (grow)as large as a room. 9. ____ time went by, the computer was made smaller, quicker and cleverer. In the early 1960s computers were connected by a network and brought into common people’s homes to deal

　　10. ____ information and help with the communication between people around the world.

　　答案: 1. its

　　2. calculating

　　3. logically

　　4. how

　　5. a

　　6. From

　　7. and

　　8. had grown

　　9. As

　　10. with

　　Ⅳ. 话题写作

　　根据提示, 利用本单元所学知识, 完成下面的小作文。

　　1. 随着科学技术的快速发展, 计算机应用于如此多的领域, 以至于我们不能没有它。(technology; apply; so. . . that. . . )

　　2. 结果是人们依靠计算机来解决各种问题, 比如, 探索月球。(as a result; calculate on; solve; explore)

　　3. 即使如此, 人们普遍认为在将来计算机不能替代人类。(anyhow; universally)

　　【参考范文】

　　　 With science and technology developing quickly, computers can be applied to so many fields that we can’t go without it. As a result, people can calculate on computers to solve all kinds of problems, for example, exploring the moon. Anyhow, it is universally believed that computers can’t take the place of human beings in the future.