用括号内动词的适当形式填空。 1. Mary _____________ (co

题型:填空题

问题:

用括号内动词的适当形式填空。

1. Mary _____________ (cook) nice food for her family now.

2. Look! It _____________ (snow) now.

3. We _____________ (write) a book this month.

4. It _____________ (get) dark. Let's go home.

5. My father _____________ (play) chess with my uncle now.

6. Mary _____________ (come) soon.

7. Listen! The mouse _____________ (eat) candies.

8. Excuse me, why are you _____________ (cry)?  I lost my book.

9. I'm sorry! You can't come in Dad _____________ (sleep).

10. It _____________ (rain) outside. Please close the window!

11. Listen, the telephone _____________ (ring).

12. What _____________ the boy _____________ (do) on the road?  He _____________ (ride) a bike.

13. The birds _____________ (fly) over the sea.

14. The bananas  (get) ripe.

15. Look. He _____________ (dance) beautifully.

考点:现在进行时,现在分词
题型:填空题

位移速度是指一定时间内人体快速移动的距离。

题型:填空题

在信号机和轨道区段比较多的线路上,调车信号复示器及其按钮应()一个单元块。

题型:填空题

“经停口岸”:横滨。

题型:填空题

()越低,图像闪烁和抖动得越厉害,眼睛疲劳得就越快。

A.显示器的尺寸

B.亮度

C.对比度

D.刷新频率

题型:填空题

给排水管道安装,受地基岩土性质、地下水状况、管材、管件特点以及环境影响等条件制约,管道接口分为( )。

A.弹性接口和刚性接口

B.韧性接口和柔性接口

C.弹性接门和韧性接hi

D.刚性接门和柔性接口

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