Question

【题目】No one knows exactly 【1】 the earth began, as it happened so long ago. However, according to a 【2】(wide) accepted theory, the universe began 【3】a “Big Bang” that threw matter in all directions.

What it was to become was 【4】 (certain) until between 4.5 and 3.8 billion years ago 【5】 the dust settled into a solid globe. The earth became so violent 【6】 it was not clear whether the shape would last or no.

People are 【7】(put) too much carbon dioxide into the atmosphere, which prevents heat from 【8】(escape) from the earth into space. As a result of this, many scientists believe the earth may become too hot to live on. So【9】life will continue on the earth for millions of years to come will depend on whether this problem can be【10】 (solve).

Answer 1

【答案】

【1】how

【2】widely

【3】with

【4】uncertain

【5】when

【6】that

【7】putting

【8】escaping

【9】whether

【10】solved

【解析】介绍了地球的起源理论以及由于环境的污染，将来地球上的生命是否会继续存在。

【1】考查连词。句意：没有人真正知道地球是如何开始形成的，根据意思可知填how。

【2】考查副词。此处用副词修饰动词accept，意为广泛接受的，故填widely。

【3】考查介词。此处为固定搭配begin with：以……作为开始，故填with。

【4】考查形容词。此处隐含not……until的意思，直到……才，故此处用否定的形容词，uncertain。

【5】考查连词。此处是定语从句，从句缺少状语，先行词是表时间的，故用when，指代先行词的时间概念。

【6】考查固定句型。此处为固定句型：so……that：如此……以至于，故填that。

【7】考查时态。此处强调动作的一直在进行，故用进行时，填putting。

【8】考查动名词。From是介词，后接动名词，故填escaping。

【9】考查连词。句意：地球上的生命是否还会继续生存百万年取决于这个问题是否能够解决。根据意思可填whether。

【10】考查语态。根据句意可知此处用被动语态，问题是被解决的，填过去分词solved。