一、单元扣点
Ⅰ.用所给词的适当形式填空
1．________(trap) in a difficult situation, he didn't know who he should turn to for help.
2．It is so ________(encourage) that the Chinese athletes have won so many gold medals.
3．________(owe) to the traffic jam, he was half an hour late.
4．It is good ________(manner) to greet the people you know.
5．Hong Zhanhui's deeds inspired us ________(study) harder.
6．The weather this winter seems ________(normal), for it is much warmer for December.
7．________(cover) about 14 million square kilometers around the South Pole, it is the fifth largest continent in the world.
8．Everyone should learn to be ________(depend) of others, for in the future we will live on ourselves.
9．They promised to take ________(effect) measures to deal with pollution.
10．To our disappointment, the ________(explore) turned out to be a failure.
答案 1.Trapped 2.encouraging 3.Owing
4．manners 5.to study 6.abnormal 7.Covering 8.independent 9.effective 10.exploration
