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问题 填空题

汽车的发动机常用循环流动的水来冷却，这是利用水的______大的特性．

答案

因为水的比热容较大，相同质量的水和其它物质比较，升高相同的温度，水吸收的热量多，所以汽车发动机用循环流动水进行冷却．

故答案为：比热容．

填空题

根据首字母填空。

1. Be careful. There is a wine b_______ on the table. You might break it.

2. The number after twenty-nine is t_______.

3. Have you e________ been to the Great Wall?

4. It's dangerous to d________ a car after you get drunk.

5. Your parents are your f________ and mother.

6. If a dream comes t________, it actually happens.

7. W________ is the coldest season of the year.

8. When snow f________, it comes down from the sky.

9. It's best to water plants either e________ in the morning or late at night.

10. We don't go to the c________ much for movies because we have a video.

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多项选择题

不良地质隧道应按照设计方案进行超前支护，以提高围岩强度、自稳和止水能力，超前支护主要包括以下哪些方式：（）

A、超前小导管

B、超前锚杆

C、超前管棚

D、超前预注浆
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