Question

    China is running ahead in 5G. Last month, the Shanghai Hongqiao Railway Station _______ the world’s first “5G railway station”. Now it _______ only 20 seconds to download a long movie there.

We are moving closer and closer to the 5G world. However, the new technology is still _______ to most of us. What is 5G, after all? The first feature of 5G is obvious — it is _______. 5G will not only be faster than the current 4G networks. It will _______ be much faster than the broadband(宽带) connection we have at home!

The first 5G modem(调制解调器) of the IT company Qualcomm supports the _______ of up to 5 gigabytes(千兆字节) per second. Most of us have never experienced _______ close to that speed. And we are only talking about the first generation of 5G modems. Future modems are likely to be even faster.

_______ 5G is not all about speed. Have you ever been to a large event where your data(数据) connection slowed down? That is _______ 4G networks can only support a certain number of devices(装置、设备) per square kilometer. 5G networks will be able to do much ________. They can support up to a million devices per square kilometer.

Now, you begin to ________ why 5G is a huge upgrade over 4G. The technology is not just for the smart phone. It has a strong ________ on every connected device. ________ 5G self-driving cars will be able to communicate with the world around them as quickly as possible. They will be ________ independent. Wearables(可穿戴设备), PCs and smart home appliances will be able to be ________ as well. Are you looking forward to it?

1.A.described B.became C.connected D.caused

2.A.takes B.spends C.costs D.pays

3.A.successful B.harmful C.strange D.good

4.A.fast B.slow C.common D.unusual

5.A.too B.either C.also D.neither

6.A.task B.speed C.weight D.height

7.A.anything B.something C.nobody D.anybody

8.A.So B.But C.And D.Or

9.A.while B.since C.because D.whether

10.A.better B.worse C.well D.bad

11.A.mention B.understand C.doubt D.prove

12.A.chance B.level C.influence D.mind

13.A.With B.From C.For D.To

14.A.completely B.simply C.mostly D.nearly

15.A.discovered B.happened C.improved D.begun

Answer

1.B

2.A

3.C

4.A

5.C

6.B

7.A

8.B

9.C

10.A

11.B

12.C

13.A

14.A

15.C

【解析】

本文是一篇说明文，介绍了当下热门的5G技术。

1.

句意：上个月，上海虹桥火车站成为世界上第一个“5G火车站”。

考查动词。A. described描述；B. became成为；C. connected连接；D. caused引起。根据上文China is running ahead in 5G可知，中国在5G技术应用上领跑，故此处指的是上海虹桥火车站成为世界上第一个“5G火车站”。B选项符合句意，故选B。

2.

句意：现在在那里下载一部长电影只需20秒。

考查动词。A. takes花费；B. spends花费；C. costs值……钱；D. pays支付。It takes + sb. +时间+ to do sth.为固定句型，意为“做某事花费某人一些时间”，符合句意，故选A。

3.

句意：然而，新技术对于我们大多数人来说还是陌生的。

考查形容词。A. successful成功的；B. harmful有害的；C. strange陌生的；D. good好的。根据下文What is 5G, after all可知，5G究竟是什么，这一新技术对于人们来说还是很陌生的。C选项符合句意，故选C。

4.

句意：5G的第一个特征是显而易见的——它很快。

考查形容词。A. fast快的；B. slow慢的；C. common普遍的；D. unusual不寻常的。根据下文5G will not only be faster than the current 4G networks. It will also be much faster than the broadband(宽带) connection we have at home可知，此处指的是5G的第一个特征是显而易见的——它很快。A选项符合句意，故选A。

5.

句意：它也将比我们家里的宽带连接快得多！

考查副词。A. too也，位于句末；B. either也，用于否定句句末；C. also也，用于实义动词之前，特殊动词（动词be、情态动词、助动词）之后；D. neither两者都不。根据上文The first feature of 5G is obvious — it is fast. 5G will not only be faster than the current 4G networks可知，提到了5G的一大特点——快，并列句了一个例子，此处是列举又一个例子，故此处指的是它也将比我们家里的宽带连接快得多。根据句子结构，C选项符合句子结构，故选C。

6.

句意：IT公司高通公司的首款5G调制解调器支持每秒5千兆字节的速度。

考查名词。A. task任务；B. speed速度；C. weight重量；D. height高度。根据下文Most of us have never experienced anything close to that speed可知，此处指的是高通公司的首款5G调制解调器支持每秒5千兆字节的速度。B选项符合句意，故选B。

7.

句意：我们大多数人从来没有体验过任何接近这个速度的设备。

考查不定代词。A. anything任何事物，用于否定句、疑问句中；B. something某些事物；C. nobody没有人；D. anybody任何人，用于否定句、疑问句中。根据上文The first 5G modem(调制解调器) of the IT company Qualcomm supports the speed of up to 5 gigabytes(千兆字节) per second可知，高通公司的首款5G调制解调器支持每秒5千兆字节的速度，此处指的是我们大多数人从来没有体验过任何接近这个速度的设备。A选项符合句意，故选A。

8.

句意：但5G并不是全部都与速度有关。

考查连词。A. So因此；B. But但是；C. And和；D. Or或者。根据上文The first feature of 5G is obvious — it is fast … It will also be much faster than the broadband(宽带) connection we have at home可知，前面一直在说5G的一大特点——快，此处说的是，快不是5G的全部特点，故空格处应填入表转折的连词，故选B。

9.

句意：这是因为4G网络每平方公里只能支持一定数量的设备。

考查连词。A. while当……时候；B. since自从；C. because因为；D. whether是否。根据上文Have you ever been to a large event where your data(数据) connection slowed down可知，作者提出了一个问题，故此处作者自己回答了这个问题，故应用because表原因，故选C。

10.

句意：5G网络将能做得更好。

考查副词比较级。A. better更好地；B. worse更糟糕地；C. well好的；D. bad糟糕的。根据下文Now, you begin to understand why 5G is a huge upgrade over 4G可知，5G是4G的一个巨大升级，故此处指的是5G网络将能做得更好。A选项符合句意，故选A。

11.

句意：现在，你开始明白为什么5G是4G的一个巨大升级，这项技术不仅仅是针对智能手机的。

考查动词。A. mention提到；B. understand明白；C. doubt疑惑；D. prove证明。根据上文That is because 4G networks can only support a certain number of devices(装置、设备) per square kilometer. 5G networks will be able to do much better. They can support up to a million devices per square kilometer可知，5G在每平方米支持设备数量方面比4G强得多，故此处指的是你开始明白为什么5G是4G的一个巨大升级。B选项符合句意，故选B。

12.

句意：它对每个接入的设备都有很大的影响。

考查名词。A. chance机会；B. level水平；C. influence影响；D. mind智慧。根据下文With 5G self-driving cars will be able to communicate with the world around them as quickly as possible. They will be completely independent. Wearables(可穿戴设备), PCs and smart home appliances will be able to be improved as well可知，它对每个接入的设备都有很大的影响。C选项符合句意，故选C。

13.

句意：有了5G，自动驾驶汽车将能够尽快地与周围的世界进行沟通交流。

考查介词。A. With具有；B. From来自；C. For为了；D. To去……。根据上文It has a strong influence on every connected device可知，5G对每个接入的设备都有很大的影响。有了5G，自动驾驶汽车将能够尽快地与周围的世界进行沟通交流。A选项符合句意，故选A。

14.

句意：他们将是完全独立的设备。

考查副词。A. completely完全地；B. simply仅仅；C. mostly主要地；D. nearly差不多。根据上文With 5G self-driving cars will be able to communicate with the world around them as quickly as possible可知，有了5G，自动驾驶汽车将能够尽快地与周围的世界进行沟通交流，这也会让这些设备成为完全独立的设备。A选项符合句意，故选A。

15.

句意：可穿戴设备、个人电脑和智能家电也将得到改进。

考查动词。A. discovered发现；B. happened发生；C. improved改进；D. begun开始。根据上文Now, you begin to understand why 5G is a huge upgrade over 4G. The technology is not just for the smart phone可知，5G是4G的一个巨大升级，这项技术不仅仅是针对智能手机的，其他设备如可穿戴设备、个人电脑和智能家电也将得到改进。C选项符合句意，故选C。