【课前自主预习】
短语互译
1．hundreds of millions of
2．go around…
3．communicate with…
4．how large
5．太阳系
6．和……一样好
7．照相
8．……中没有一个
句型在线
1． None; has; that
2． are called; solar system
3． impossible to
4．far enough to reach
5． with so many; or
6． is named after
【课堂互动探究】
词汇点睛
①（1）C （2）D
②（1）D （2）C
③ B
句型透视
① B
② D
③ 1．（1）old enough to （2）clever enough to work out 2． C
④ （1）with; in （2）so many （3）so much