下列结构特点与小肠吸收功能无关的是_刷题宝

题干

下列结构特点与小肠吸收功能无关的是（　　）

A：小肠内有许多消化液

B：肠的内壁有许多环形皱襞

C：小肠内壁环形皱襞有许多小肠绒毛

D：小肠绒毛内有丰富的毛细血管

上一题下一题 0.0难度选择题更新时间:2016-03-21 06:57:18

答案(点此获取答案解析）

A

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补全对话

从方框中选择最佳选项完成对话, 有两项多余

a. I'm cleaning the house.

b. Is your mother making dumplings with her?

c. What about your father?

d. Yes, we are.

e. She is buying some food in the shop.

f. What's your mother doing?

g. They are making cards for their family and teachers.

Daming: Hi, Tony! Are you getting ready for Spring Festival?

Tony:____

Daming: What are the girls doing?

Tony:____

Daming:Sounds great(听起来很好)! Where is your mother?

Tony:____

Daming: What are you doing?

Tony:____

Daming: How hard you are working! And is your sister helping you?

Tony: No, she isn't. She is shopping with my mother.

Daming:____

Tony: Look! He's painting the door there.

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