1 . 这个机构的唯一使命是持续评估核反应堆的安全性，美国人消耗的电有20%来自核反应堆。
The mission of the organization is________of the reactors,which provide 20% of the electricity that Americans consume.

2 . I have no idea how to remember new words. （同义句转换）
①________(My biggest problem is...)
②________(have trouble/ difficulty in...)
③________(... find it difficult to do sth.)

3 . 我既不喜欢在网上聊天也不喜欢在网上玩游戏。我喜欢的是在网上听音乐。(neither...nor...) (汉译英)

4 . My job is ______ information for a database about Mount Kilauea, which is one of the most active volcanoes in Hawaii.

A．collecting

B．collected

C．collect

D．collects

5 . Scientists around the world are looking for all kinds of ways to protect and maybe even revive corals. One option is ________ (create) more marine protected areas-essentially national parks in the ocean. (所给词的适当形式填空)

6 . 他的缺点之一就是说谎，这经常给他带来麻烦。(汉译英)

7 . 最困难的事情是发现人们需要什么，并解决现实世界的问题。(real-world)
The most difficult thing is finding out what people need and ________.

8 . His hobby is_______books in his spare time.

A．to read

B．reading

C．read

D．having read

9 . 客人们进来了，但是她仍然坐在桌旁。
The guests came in, but she ________ ________ at the desk.

10 . 似乎保持健康的秘诀就是拥有均衡的饮食。（seem；the secret to；V-ing作表语）（汉译英）