2017年湖北自考英語（一）真題練習（20）

 

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>>>2017年湖北自考英語（一）真題練習【匯總】

1、[概括大意]Radar is now a familiar tool. Like many others it was an unexpected discovery. It was first observed by two researchers， who were studying sound communication. They were sending signals from a station on one side of a river in Washington D to a vehicle across the river. They discovered that their signals were stopped by passing ships. They recognized the importance of this discovery at once.

The main idea of this paragraph is__________.

A、Study of Radar

B、Radar is now a familiar tool

C、Radar Working Principles

D、Radar was Discovered by Chance

正確答案：D

答案解析：unexpected，“沒有預見到的”，等于答案D中的by chance“偶然間的”。這道題用到了同義詞替換這一解題方法。

2、

[概括大意]Take the case of Eta Carinae， one of the most explosive stars in the universe. This star produces ultraviolet laser rays(紫外線) and it will destroy itself in a few million years‘ time. It is five times brighter than the sun and when it explodes it is going to be a sight worth waiting for!

The main idea of this paragraph is__________.

A、Power of the telescope

B、Details of Eta Carinae

C、Invention of a time machine

D、Biggest telescope

正確答案：B

答案解析：從Take the case of Eta Carinae“以Eta Carinae為例”可以看出，這句話主要講的是一些關于船底星座的細節(jié)問題。因此選擇B。