氧主要存在于机体的哪一部位（）。 A.肺 B.血清 C.线粒体 D._爱下问搜题

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问题单项选择题

氧主要存在于机体的哪一部位（）。

A.肺

B.血清

C.线粒体

D.白蛋白

E.红细胞

答案

参考答案：E

补全对话，情景问答

选择正确的句子，补全对话。

A. We can go there by bike.
B. Where are you going?
C. I'd like to.
D. Are you free (空闲) tomorrow?
E. Kate, Lily and I are going on a picnic (野餐).
F. I like go boating.
G. What day is it tomorrow?
H. We can go boating.

A: Hi, Lucy! 1.
B: Yes, I am. 2.
A: Tomorrow is Saturday. 3.           Would you like to go with us?
B: 4.           But 5.
A: We are going to a lake.
B: That's a good idea! 6.            and we can go fishing.
A: Yes, 7.
B: OK, I like going boating, too. How are we going there?
A: 8.
B: I agree with you.

判断题

驾驶人将机动车交给驾驶证被暂扣的人驾驶的，交通警察给予口头警告。