Question

Imagine the situation. You are driving a car along a desert or on a mountain. You have no idea        you are. You passed the last house two hours ago. Then your       breaks down. It is night and it is cold. You have no mobile phone. What do you do? Well, next time take a        with you. This invention may be able to help you. It is a device(裝置) which uses satellites to find the user’s position(位置). It can find your position to within 20 metres. A GPS cannot start your car, but at least you will         where you are.

GPS, which means Global Positioning System, is a small        receiver. It looks like a mobile phone. You can hold it in your hand, or put in your pocket. It is sometimes put into a watch or a        . We also find GPS devices in cars, planes, or boats. Some of these devices have electronic       , so you know where you are. For example, in a city they can tell you the name of the         .

There are       parts to the Global Positioning System. The first part is the     . You can either hold it in your hand      have it fixed into your car, plane, etc. The second part is a group of satellites orbiting the Earth. The receiver contacts at least four of the satellites and calculates(計算) its position. The third part of the system is a network of ground stations. They are all over the world. They       the satellites and make sure they are working well.

Some people think that in the future the GPS will be as        as the mobile. They are becoming       and more and more accurate(精確的). There are also new uses for the GPS. Perhaps they will become like       . Everyone will have one and you will never be lost again.

1.A.where                 B. what               C. who                  D. how

2.A.ship                B. car           C. train                  D. plane

3.A.watch         B. ring         C. clock                 D.GPS

4.A.advise                  B. know              C. represent             D. speak

5.A.radio          B. TV           C. robot                D. machine

6.A.room          B. office               C. road                  D. mobile phone

7.A.parts               B. maps                 C. video                D. music

8.A.studio         B. teenager     C. bus                  D. street

9.A. five            B. four                 C. three                D. two

10.A. sender             B. receiver      C. Internet      D. system

11.A.and               B. then         C. but           D. or

12.A.control              B. achieve       C. allow               D. imagine

13.A.expensive              B. special           C. new                  D. common

14.A. cheaper           B. easier              C. more expensive       D. bigger

15.A.computers             B. robots            C. satellites      D. watches

 

Answer 1

【答案】

 

1.A

2.B

3.D

4.B

5.A

6.D

7.B

8.D

9.C

10.B

11.D

12.A

13.D

14.A

15.D

【解析】試題分析：這篇文章講了GPS。GPS能夠定位你的方位，所以能讓你不再 迷路。它也是一個接受器，接收衛星發回的信號。文章還分析了GPS的構成以及發展趨勢。

1.考查疑問詞及對語境的理解。句意：你不知道你在哪。A.where在哪；B. what什么；C. who水；D. how怎樣。表示地方，用where。故選A。

2.考查名詞及對語境的理解。句意：這時你的車壞了。A.ship船；B. car汽車；C. train火車；D. plane飛機。由上句：You are driving a car，可知，你開的是車，故選B。

3.考查名詞及對語境的理解。句意：下一次，隨身帶一個導航儀。A.watch手表；B. ring戒指；C. clock    鐘表；D.GPS導航系統。根據下文：. A GPS cannot start your car, 故選D。

4.考查動詞及對語境的理解。 句意：至少你會知道你在哪。A.advise建議；B. know知道，了解；C. represent代表；D. speak說。導航儀能讓你知道方位，故選B。

5.考查名詞及對語境的理解。句意；GPS是一個小的收音機接收器。.A.radio收音機；B. TV電視；C. robot        機器人；D. machine機器。根據receiver可知，GPS有接收功能，只有收音機有接收功能，功能最接近。故選A。

6.考查名詞及對語境的理解。句意：在口袋里我們有時會放入一只表或者一個手機。A.room房間B. office辦公室C. road道路D. mobile phone手機,根據現實情況，口袋里放的是手機。故選D。

7.考查名詞及對語境的理解。句意：這些裝置有時有電子地圖。A.parts部分；B. maps       地圖；C. video 錄像；D.music音樂。根據：so you know where you are.可知帶有的是地圖，故選B。

8.考查名詞及對語境的理解。句意：例如在一個城市里他們能告訴你街道的名稱。A.studio工作室；B. teenager青少年；C. bus公交車；D. street街道。根據導航儀的功能，故選D。

9.考查數詞及對語境的理解。句意：導航儀包含三個部分。A. five五；B. four四；C. three三；D. two二，根據The third part of the system ，故選C。

10.考查名詞及對語境的理解。句意：第一部分是一個接收器。A. sender發送者；B. receiver接收者；C. Internet電腦；D. system系統。根據第五題可知， 故選B。

11.考查連詞及對語境的理解。句意：你能把他拿在手中，也能固定在車上，或飛機上。A.and 和，又；B. then然后；C. but但是 ；D. or 或者。either....or...兩者選其一，故選D。

12.考查動詞及對語境的理解。句意：他們控制衛星，確保衛星正常運行。A.control控制;B. achieve達到;C. allow允許;D.imagine想象。根據衛星的作用，是用來控制的，故選A.

13.考查形容詞及對語境的理解。句意：將來GPS將會像手機一樣普及。A.expensive貴的; B. special特殊的;C. new新的;D. common普通的。根據現實中手機的特點，故選D。

14.考查形容詞及對語境的理解.句意:他們會變得越來越便宜，也越來越精確。A. cheaper更便宜；B. easier更容易；C. more expensive更貴的；D. bigger更大的。根據上一句，會像手機一樣普及，可知是便宜，故選A。

15.考查名詞及對語境的理解。句意：GPS可能會變得像手表一樣A.computers電腦；B. robots機器人；C. satellites          衛星； D. watches手表。根據：Everyone will have one and you will never be lost again.可知，這是手表的特性，故選D。

考點：科普類短文。