2014届高三英语大一轮复习单元知识练习 Book 8 Unit 2 Cloning Word版含解析

1．Which of the following would be the best title for the passage?

A．The development of robots B．The discovery of space exploration C．No robots，no space exploration D．Robots are used in space exploration 答案 D

解析 标题归纳题。文章开篇点题，指出了文章的主题是利用机器人进行太空探索，下 文围绕该主题分别从四个方面展开论述，故D项作为文章标题最佳。 2．According to the passage，which of the following is NOT true?

A．The use of robots in space exploration costs more than the use of humans.

B．It is dangerous for human to explore other surfaces in the solar system except the Earth. C．Both Spirit and Opportunity have found the evidence of water on Mars. D．Many different types of robots have explored the space successfully. 答案 A

解析 细节理解题。由第四段第一句话可知，使用机器人进行太空探索比人类做这项工 作花费更少，因此A项说法错误。

3．The underlined word “withstand” most probably means “________”．

A．remain B．bear C．defeat D．develop 答案 B

解析 词义猜测题。根据画线词所在的句子可推知withstand的意思是“承受，经受 住”，故选B项，bear意为“忍受”。 4．What is the writer’s attitude in this passage?

A．Negative. B．Persuasive. C．Subjective. D．Objective. 答案 D

解析 作者态度题。综观全文可知作者只是客观地介绍了机器人在太空探索中的使用， 并未带有否定的、说服性的或者是主观的看法，故选D项。

B

Heelys are shoes that can roll.They are sports shoes with a wheel in the heel.The wheels can be easily removed from the shoes.So a person wearing them can either walk or ride！Heelys are sold in at least fifty countries around the world.They cost between fifty and one hundred dollars.They were first sold in the United States in 2019.

Roger Adams invented Heelys because he wanted to be able to skate without changing his

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shoes.He invented a shoe that could roll if the wearer moved the weight of his body towards the back.

Doctors，however，say wearing Heelys can be dangerous.One doctor told a newspaper in the state of Iowa that the shoes would be safer if the wheels were in the front of the shoes instead of the back.He said a person’s natural balance is to the front of the foot，not the back.

One medical study last month warned of the possible dangers of wearing Heelys.Doctors in Singapore reported that thirty-seven children were treated for injuries last month.Most of the injuries reported involved broken hands，arms and ankles and cracked heads.The children were not wearing any kind of protective equipment when they fell.

The Heelys company recently released the result of a study it had requested.The study found that rolling on Heelys is safer than roller skating，or skateboarding.Still，the company and many doctors suggest that children wear protective equipment on their heads，arms and legs.But children say they do not like to do this.Many say they expect to fall while learning to use Heelys and they just get up and try again.

5．According to the passage，people wearing Heelys ________.

A．can save much time every day B．usually have difficulty in walking C．may roll faster without the wheel D．can walk or roll forward as they like 答案 D

解析 细节理解题。根据第一段第四句“So a person wearing them can either walk or ride！”可知，穿暴走鞋可以行走也可以滑动。 6．According to the doctors，________.

A．people should not wear Heelys for skating B．wheels should be kept at the back of the shoes C．people have to keep balance by the back of the foot D．it is better to place the wheels in the front of the shoes 答案 D

解析 细节理解题。根据第三段第二句中的“...the shoes would be safer if the wheels were in the front of the shoes...”可知，医生认为把轮子放在鞋的前部更安全。

7．Which of the following is NOT true according to this passage?

A．The Heelys company thinks that in some way it is safe to wear Heelys. B．Heelys are rather popular in many countries in the world. C．Roger Adams would like to wear shoes that could roll.

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D．Children should not wear Heelys for safety. 答案 D

解析 正误判断题。文中提到穿暴走鞋存在安全隐患，并建议儿童在穿暴走鞋时穿戴好防护用具，但文章并未明确表示儿童不能穿暴走鞋，故答案选D项。 8．We can infer from the passage that ________.

A．kids like Heelys but doctors think Heelys are dangerous B．it is wrong for children to wear shoes with wheels C．rolling on Heelys is a popular sport in the world D．Heelys are one of the greatest inventions nowadays 答案 A

解析 推理判断题。根据穿着暴走鞋可以滑动、也可以正常行走的特点及医生的观点可以推知，孩子们喜欢穿暴走鞋，但是医生却认为穿暴走鞋存在安全隐患。

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