2. You will be late _________ you leave immediately.

A. unless 　　B.　 until　 　　C.　 if　　 D. or

答：B．It为形式主语，that从句为真正主语。

1.　 It worried her a hit _______ her hair was turning grey.

A. while　　 B. that　 　　C. if　　　 D. for

1．small boxes就是指cars。2. ting glowing boxes就是指TV sets。3. 火星人认为地球上的足球赛是队员们在打架。4. 文章的标题从书信的格式可知。5. 从文章开篇可知。

5. The man from the Mars thinks_____.

A. it interesting to tire on our unusual planet

B. there are so many boxes on the earth

C. the tiny glowing boxes are moving pictures

D. the angry boys are too foolish to fight over a little round ball

答：1. B 2. C 3. B 4. C 5. A

解析：

4. The best title of this passage is_______.

A. The Man from the Mars

B. Something about Boxes

C. A Letter from the Mars

D. A Football Game

3. In the football game_____.

A. the players were very angry because there was only one ball on the playground

B． the man from the Mars thought the players were fighting

C. the man from the Mars saw a fighting among the angry boys

D. the players were very angry because everyone yelled at them

2. The tiny glowing boxes with moving pictures on the front are_____.

A. cameras　　　 B. cinema screens

C. TV sets　　　 D. telescopes