Ⅰ.单词拼写
根据汉语或首字母提示，写出下列单词
1．The reason for the difference is an atmospheric phenomenon (现象) known as the jet stream.
2．Spending too much time on computers results in the painful wrist (手腕)．
3．I can't really see how the two issues relate (有关联)．
4．He subscribes (捐款) regularly to the Red Cross.
5．Howe was turning into an alcoholic(酒鬼) because of the stress of his job.
6．The long lectures made the afternoon dull.
7．Keep your kids away from the sharp knives.They may cut themselves.
8．Jack had a fall and his right foot began to swell up.
9．What he said was too complex for me to understand.
10．Once your body is addicted to nicotine (尼古丁)，it's very hard to stop smoking.
