知识起跑线
I、1、blocks
2、married
3、realize
4、lonely
5、pollution
II、A:1-5:C A C D B
6-10:D C C A B
B:1、How long;lived
2、has known, since
3、pleasant;to play
4、from time to time
5、feel;lonely;has left
6、used to be
技能训练房
1-5:B B D C B
6-10:D C A B A