第一节 单词拼写（共10小题；每小题1分，满分10分）

小题1: It’s cheaper if you book the tickets in a     .

小题2:I wasn’t sure if I could h     such a powerful car.

小题3:She g     us through the busy streets to the cathedral.

小题4:The writer personally c      $5,000 to the earthquake fund.

小题5: Police suspect there may be a l     between the two murders.

小题6:He         (折叠) the map up and put it in his pocket.

小题7: Just for an         (瞬间) I thought he was going to refuse.

小题8:I’m afraid getting things changed will be a slow          (过程).

小题9:Daytime temperatures vary between minus 5°and         (零上) 12°.

小题10: The competition attracted over 500 contestants          (代表) 8 different countries.

如图是人体心脏结构示意图，其中表示左心室是（　　）

A．①

B．②

C．③

D．④