单词拼写

1．The world's tropical forests are disappearing at an even faster               (速度) than experts had thought.

2．The change in climate might be one of the causes for the               (灭绝) of dinosaurs(恐龙)．

3．On his desk is a               (堆) of books and papers.

4．With my own house, my dream is that I have my own               (栖息地)．

5．In fact，so little do we know about the universe that we are not even               (知道) how it came into being.

6．It's said that the newspaper office receives an              (平均数) of nearly 100 articles a day.

7．Nowadays people are more               (担心的) about/for the environment where they live.

8．I'm trying to persuade him to give up the attempt to make a              (生计) by writing.

9．The older a person is, the slower it will be for him to             (适应) to changes.

10．From it we learn that human beings should take               (措施) to protect our earth.

11．Rules of online voting should be worked out and strictly               (遵守)．

12．We shall never forget the               (美) of that lake.

13．The old photos buried at the bottom of the suitcase               (提醒) me of those happy old days we had spent together.

14．Elephants would die out soon if men were allowed to               (射杀) as many as they wish.

15．He made a               (利润) of five hundred dollars on the deal.

16．One day when we talked about a robbery occurred in our town, he said he kept calm when he was               (攻击) by a robber.

17．It is impossible for this country to               (恢复) in a short time over this financial crisis.

18．I had               (打算) to catch the early train, but I didn't get up in time.

19．He             (威胁)the strangers with a gun and frightened them away.

20．He finds it hard to              (生存) on the money he's earning.

21．To protect our environment and live in               (和谐) with animals is everyone's duty.

22．There are various              (商品) in the new supermarket, and the prices vary from cents to dollars.

23．He claims (声称) to have seen a round black              (生物) moving quickly through the water.