Question

What is Beidou？Beidou is a navigation（导航）satellite system.It is developed by China.China is the third country in the world to have its own navigation satellite system.With Beidou，China no longer has to rely on foreign systems.This is very important for national safety.

The rescarch and development of Beidou began in 1994.However，the first two Beidou satellites were not sent into space until 2000.Since then，China has launched dozens of Beidou satellites.These satellites have formed a global network.Now，China is further improving the system.The BDS—3 system will be fully completed in June，2020，with the launch of the last satellite.

The Beidou Navigation Satellite System will be more powerful than any other navigation satellite system in the world.Yang Changfeng is a designer of Beidou.He said the system can notice the sway（晃动）of a building in strong winds.

Beidou has brought much benefit（益处）to our lives.In many cities，thousands of buses have been using Beidou.When we are waiting for a bus，we can know when it is about to come.Many smartphones have also been using Beidou."Many people say，‘Let me turn on my GPS'.In fact，their phones are using Beidou，”jokes a salesperson in Beijing.

1.What's the meaning of the underlined phrase "rely on"?

A.pay for B.learn from C.depend on D.search for

2.How long has passcd since China launched the first Beidou satellite?

A.Nearly 10 years. B.Nearly 20 years.

C.Nearly 26 years. D.Nearly 30 years.

3.Which of the following is TRUE about the BDS—3 system?

A.It can control a building in strong winds.

B.It will be used in China in several years.

C.Many buses and smartphones will use it.

D.It will be the most powerful in the world.

4.What is the text mainly about?

A.The importance of national safety.

B.The Chinese own navigation satcllite system.

C.The history of the navigation satellite system.

D.The benefit of the navigation satellite system.

5.The text is probably a ______

A.report B.notice C.diary D.poem

Answer

1.C

2.B

3.D

4.B

5.A

【解析】

这是一篇说明文。文章主要介绍中国人自己的导航卫星系统，包括它的地位及作用、它的研发经过、它对人们的生活产生的积极影响等内容。

1.

句意：带下划线的短语“rely on”是什么意思？

词句猜测题。pay for支付，learn from向……学习，depend on依赖，search for寻找。由上文“China is the third country in the world to have its own navigation satellite system.”可知，下文句意为“有了北斗（系统），中国不再需要依赖外国系统。”故选C。

2.

句意：中国发射第一颗北斗卫星至今已有多久？

推理判断题。由第二段中的“However，the first two Beidou satellites were not sent into space until 2000.”可推断，“中国发射第一颗北斗卫星至今已有近20年”。故选B。

3.

句意：关于BDS-3系统，以下哪项是正确的？

推理判断题。由第三段中的“He said the system can notice the sway of a building in strong winds.”可推断，A项阐述错误。由第二段中的“The BDS—3 system will be fully completed in June，2020...”可推断，B项阐述错误。由第四段中的“In many cities，thousands of buses have been using Beidou.”和“Many smartphones have also been using Beidou.”可推断，C项阐述错误。由第三段中的“... will be more powerful than any other navigation satellite system in the world.”可知，“它将比世界上任何一个导航卫星系统都强大”，则D项阐述与原文一致。故选D。

4.

句意：文章主要是关于什么的？

主旨大意题。文章开篇以“What is Beidou？”引出话题——介绍中国人自己的导航卫星系统，包括它的地位及作用、它的研发经过、它对人们的生活产生的积极影响等内容。故选B。

5.

句意：文章可能是一份报告。

主旨大意题。从体裁及内容可判断，文章不属于通知、日记或诗歌。文章主要介绍中国人自己的导航卫星系统，那么，文章则可能是一份报告。故选A。