【课前自主预习】
短语互译
1． be up to…
2． no problem
3． be sure to do sth．
4． work hard
5． far away
6． in order to
7． space travel
8 ．获得信息
9． 上网
10．搜寻；搜索
句型在线
1． up to
2． just made
3． has taken
4． That's why
5． already been to
6． How; get information on
【课堂互动探究】
词汇点睛
① （1）on the earth （2）on earth
②（1）C （2）A
③ （1）get to; arrive at （2）got/arrived/reached （3）arrived at; got to （4）arrive in; get to
④ （1）yet （2）Has; gone to; yet
⑤（1）just now （2）just （3）just now （4）Just then
⑥ A
⑦ find out; looked for （1）discovered; found （2）looking for
句型透视
① （1）B （2）D
② （1）That's why （2）That's why
③ （1）C （2）B
④ A
⑤（1）about （2）on