我国运动员刘翔，多次在世界大赛上打破110m栏的世界记录，他的跨_爱下问搜题

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问题选择题

我国运动员刘翔，多次在世界大赛上打破110m栏的世界记录，他的跨栏可以说是跑得非常快。我们在看电视转播时，虽然他总没有离开小小的电视屏幕，但总能感觉他如同飞人，这是因为我们所选取的参照物是[ ]

A. 电视屏幕

B. 电视屏幕上的一条边

C. 比赛场上的观众或跑道

D. 我们自己

答案

答案：C

填空题

选择最佳单词或短语完成下列句子。

water be off some day turn off so far thanks to in search of refrigerator light miss

1. In order to keep the food fresh, you can put it in the ________.
2.________, the students have learned about three thousand English words.
3. The boys say that they want to go to a foreign country ________.
4. I have left my home so long that I ________ my parents very much.
5. All the policemen were ________ the lost girl.
6. Tom ________ and you can call him later.
7. Don't forget to ________ the TV when you leave the room.
8. It's dry these days. You can ________ the trees.
9. My mother is ________ the fire to cook.
10. ________ your help, or I can't finish the work on time.

问答题简答题

指出人体血液中的细胞成分、形态特征。