b: ___________________________________________________________________

例句:________________________________________________________________

c:____________________________________________________________________

例句:_________________________________________________________________

3. Walking does need a bit of practice now that gravity has changed.

(1) 翻译:____________________________________________________________________

(2) now that同since相似，语气较弱，强调人们已知的事实。造句:

a: 既然你忙, 就让我给你做吧

_________________________________________________________________________

b: 既然人都齐了, 咱们开始干吧

_________________________________________________________________________

4. We watched amazed as fire broke out on the outside of the spaceship as the earth's gravity increased.

amazed在句中是___________充当____________(句子成分).

仿写:他进来的时候没有人注意到. He came in __________________.

课堂自测

自测习题见《同步方略》P61-63及 同步练习5---句型运用板块。

一.The pull of gravity became very strong when she left the earth's atmosphere. His weight is normal.

It disappeared when he was in space. He is weightless

It was very light when he was on the moon. He weighs less than on earth

二. 1.The crowd cheered up

2.a. watched the sun setting

b. watched the plant grow

3. Now that everybody is here

4. get the hang of

5. A quarrel broke out

探究案

1．(1)此句是一个由__and_____连接的,由____that_____引导的___并列宾语_______从句,