1 . Heat e______ metals while low temperature contracts them. (根据首字母单词拼写)

2 . If someone is g______, he always wants more food, money, power, possessions etc than he needs. (根据首字母单词拼写)

3 . Don’t spoil your a________ by eating between meals. (根据首字母单词拼写)

4 . Our heartfelt s________ goes out to the victims of the war. （根据首字母单词拼写）

5 . It’s quite n____________ for children to experience fears while growing up. (根据首字母单词拼写)

6 . She made no r____________, which made me very angry. (根据首字母单词拼写)

7 . Some think that students should be trained to d____________ themselves against some attacks.(根据首字母单词拼写)

8 . It’s said that he has been a________ to Tsinghua University. (根据首字母单词拼写)

9 . With the Labor Day a __________, many people are considering visiting some famous cultural heritage sites. (根据首字母单词拼写)

10 . I was a smart-phone a_________ because my eyes were always on my little screen no matter where I was. (根据首字母单词拼写)