一、词组翻译．
1．搬离地球_____________________ 2．……的缺点_________________________
3．实现_________________________ 4．对健康有害_________________________
5．以讨论学校生活开始___________ 6．不同于地球上的情况_________________
7．担心变胖_____________________ 8．错过了第一部分_____________________
9．害怕做某事___________________ 10．让机器人为我们做所有的活___________
二、单词拼写
1．There are several ways to solve this problem．Let’s have________ (讨论)now．
2．The__________(污染)sky is covered with thick clouds，so the air pollution is quit serious．
3．There are also many__________ (劣势)of living on Mars．
4．It’s useful for each of us to have an English-Chinese___________ (词典)．
5．Do you think aliens will do___________ (危害)to humans?
三、选择填空
( )1．This English lesson started_________an English song．
A．on B．with C．at D．in
( )2．The old man died_________a cold snowy winter morning
