在皮肤的哪一层没有血管：A．表皮B．真皮C．真皮深层D．皮下组织_爱下问搜题

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问题单项选择题

在皮肤的哪一层没有血管：

A．表皮
B．真皮
C．真皮深层
D．皮下组织
E．真皮浅层

答案

参考答案：A

解答题

相邻的两个自然数一定有一个是合数．…______．

补全对话，情景问答

从方框中选择最佳选项完成对话，有两项多余。

A. Are they healthy?
B. We've got some tomatoes.
C. Have we got any Coke?
D. And there're some apples, too.
E. Where is it?
F. But we've got some juice.
G. What's it?

Betty: Mum,    1     I'm thirsty (口渴的).
Mum: No, we haven't.    2    It's a healthy drink. You can drink some.
Betty:  OK.    3
Mum: It's in the fridge(冰箱).      4
Betty: Apples are my favourite fruit.     5
Mum: Yes, they are.