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问题 解答题
磁悬浮列车匀速行驶时，路程和时间的关系如下：
时间/分123456…
路程/千米71421283542…
（1）从上表中，你发现了什么？
（2）列车行驶2分半时，所行路程是多少？
答案

（1）列车是匀速行驶，时间和路程增加的倍数相同，就是说速度一定，路程和时间成正比．

答：速度一定，路程和时间成正比．

（2）2分半=2.5分

7÷1=7（千米/分）

7×2.5=17.5（千米）；

答：所行路程是17.5千米．

填空题

用所给单词的适当形式填空

1. The dolphin is too old to jump as _       _(high) as he used to.

2. In general, some animals are not so            ( clever) as the monkeys.

3. He was not used to         ( eat)  the Western-style food when he got to England for the first time.

4. I used to______(swim)  in the river when l was very young

5. It's good for you to stop          (smoke).

6. He was the only person in the room who had been drinking_     ___(heavy).

7. My mother doesn't make me____(play) with the lazy boys.

8. I saw a man in black____   (walk) into the Bank of China.

9. We used to hate        (remember) whose longer English words.

10. I'm not still used to____(write) the diaries.
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填空题

矿山采掘的方针“（）”。
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