1 . The ___________(宇宙) likes to be shy about its age, but astronomers believe they have a pretty good idea of the range. (根据汉语提示单词拼写)

2 . However, in spite of the serious illness, he was initially determined to look into all _________ (可获得的) treatments that might cure or extend his life. (根据汉语提示单词拼写)

3 . It was _________ (正是，确实) because my parcel with important documents in it was stolen in the final phase of the project that I felt discouraged. (根据汉语提示单词拼写)

4 . 词性转换
1. fright-(v.)_________________-(adj.)_________________
2. energy-(adj.)_________________
3. effect-(v.)_________________
4. explode-(n.)_________________
5. recognize-(n.)_________________
6. organize-(n.)_________________-(adj.)_________________
7. comfort-(反义词)_________________
8. thorough ________________ through ________________ thought ________________(英译汉)

5 . While you are in Iceland, you may want to visit local restaurants and try local d________ such as fresh fish or smoked lamb. (根据首字母单词拼写)

6 . Hopefully, this experiment will cast new l________ on space farming and allow us to set up permanent bases on other planets, such as Mars. (根据首字母单词拼写)

7 . His music is known for its clashing discords, but at the end of this piece he gives us a rare passage of pure h________. (根据首字母单词拼写)

8 . As a national park and nature r________, Jiuzhaigou Valley is home to thick forests alive with wildlife. (根据首字母单词拼写)

9 . The practice of an eight­hour workday is a leftover from the days of the Industrial Revolution, as reflected in the then­popular saying, “Eight hours labor, eight hours ________ (娱乐), eight hours rest.” (根据汉语提示单词拼写)

10 . In July 2011, a drought struck East Africa, which led to a severe _________(危机) and threatened the livelihoods of more than 9.5 million people. (根据汉语提示单词拼写)