题目内容：

词汇填空（根据首字母或者汉语提示完成句子，共15题，每题1分）

1.The world __________（存在）, whether you like it or not .

2.Fans are curious who will __________（替代）late actor Paul Walker in Fast and Furious 8 .

3.Science magazines recognized the discovery of “ gene for mental illness ” as a great scientific __________（突破）.

4.Organizers say it is __________（标准的）practice to play pre-recorded music at such a large event as the Olympic opening ceremony .

5.Only a few of the many __________（物种）at risk of extinction actually obtain protection like pandas .

6.During Christmas , he , as well as his sister , always __________（志愿）to help serve meals to people who have no homes .

7.Over the next decade , the Internet will have a __________（深刻的）effect on the tourist industry .

8.Even in some smoker-friendly countries like China , smoking is f__________ in public places .

9.I e__________ great difficulties in learning physics , but I didn’t lose heart .

10. Most of the college graduates prefer to find a p__________ job rather than start their own business .

11.The expression on his face i__________ that he was upset about the result .

12.The d__________ of the rainforest will undoubtedly contribute to global warming .

13.He took all kinds of tests to prove he was q__________ for this important task .

14.Firefighters and police held moment of silence for the v__________ of Tianjin explosion .

15.Personally , to read the o__________ work is better than to see the film based on it .