语法填空「20巧.吉林省吉林市第一中学高一下学期第二次质检]

阅读下面材料，在空白处填人适当的内容（1个单词）或括号内单词的正确形式。

   How life began on the earth 

    How the earth came into existence and how life began on the earth, no one knows 1.________  (exact) ， as it happened so long ago. However, according to a widely 2. ________  (accept) theory, the universe began with a "Big Bang" that threw matter 3. _________  all directions.  After that, atoms began to form and combine to create stars and other bodies. Between 4. 5 and 3. 8 billion years ago, the earth became 4. ____  violent that it exploded loudly with fire and rock, producing water vapour and other gases.

   When the earth cooled down, water appeared on its surface. Water had also appeared on other planets like Mars but, 5. ______  (like) the earth, it had disappeared later. It was not immediately obvious 6. ______ water was to be fundamental to the 7. _______ (develop) of life. What many scientists believe is that the continued presence of water allowed the earth 8. ______ (dissolve) harmful gases and acids into the oceans and seas. This produced a chain reaction, which made 9. ________  possible for life to develop.

Millions of years later, life began to develop on the earth, from simple forms to advance ones, from oceans to land, from plants to animals. Finally about 2. 6 million years ago some clever animals appeared. 10.______ they have, in their turn, become the most important animals on the planet.

10 The newcomer went to the library the other day and searched for     he could find about Mark Twain.

A. wherever    B. however

C.  whatever  D. whichever

9. ―Mum, what are you getting me for my birthday?

―    ―you'll have to wait and see.

A. I think so        B.  I，ll tell you what

C. I wouldn't say no     D.  I'm not telling you

    5. ________  time goes by. Mother's hair has turned grey and the wrinkles on her face has become deeper.

   4. We were prevented by the heavy rain_________ visiting the attractive lake, but we didn't lose heart.

   3. ________  you said at the meeting describes a bright future for the company.

2. The top leaders of the two countries are holding talks in _____ friendly atmosphere,

8. Take some time to    your successes and failures.

A. account of       B. reflect on

C. work out       D. call up

根据语境用适当的词填空（每空只填一词）

1. Mary got seriously injured in the traffic accident, but luckily, the doctor came ________  time to save her life.

7. I think you should go back to your    plan, which is much more practical than the present one.

A. random      B. abstract

C. original      D. ridiculous