发动机的燃油喷油量取决于喷油器的喷油时间，最终的喷油时间由（

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问题多项选择题

发动机的燃油喷油量取决于喷油器的喷油时间，最终的喷油时间由（）构成。

A．基本喷油脉冲时间

B．根据操作状况进行时间修正

C．蓄电池电压修正

D．燃油压力修正

答案

参考答案：A, B, C

填空题

根据句意和所给首字母提示完成单词。

1. The a ______ came up to me and asked, "Can I help you?"

2. What do you want to do after you g ______ from school?

3. Whenever someone throws in some rubbish, the truck collecting rubbish p___ a piece of music.

4. They should not be treated only as a______.

5. This city has many o ______ buildings.

6. What a w______ memory she has!

7. Every year, water sports, e______ swimming and surfing, attract large numbers of tourists to the islands.

8. The traffic lights c______ from red to green just now.

判断题

如果客户声称已经寄出支票，则有必要要求客户说出支票号码和邮寄地址。