在观察家畜小肠绒毛的实验中，用放大镜观察小肠的内表面，可以看到内表面有许多环形_1，其表面有许多_2状的突起，每个突起就是一个_3．_刷题宝

题干

在观察家畜小肠绒毛的实验中，用放大镜观察小肠的内表面，可以看到内表面有许多环形____，其表面有许多____状的突起，每个突起就是一个____．

上一题下一题 0.0难度选择题更新时间:2017-12-10 12:01:49

答案(点此获取答案解析）

皱襞,绒毛,小肠绒毛

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根据材料内容的理解，选择正确答案。

	Nice to meet you. My name is Sally Simpson. Sally is my first name. Simpson is my last name. I'm in Huangzhou, China now. I'm a student in HZFL Middle School. My classroom is very nice. My telephone number is 832—4895.
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	Hello! My name is Mike Brown. I'm in Wuxue, China now. I'm a student in SY Middle School. My telephone number is 625—1899. And my QQ number is 389410663. My parents are in the school, too.

同类题2

下列关于细胞呼吸原理在生活、生产中应用的叙述，错误的是（）

同类题3

读句子，把人物和动作图片搭配起来。

①Mary is going to read a book．____

②Bob is going to buy a pair of glasses．____

③The boys are making a poster．____

④The girls are going to act a play．____

A. B. C. D.

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图为一位同学的课堂笔记，记录了对某一历史事件的不同评价。据此，推断他学习的内容是：

同类题5

补全对话。

A.What's the matter?
B.Let's see a doctor.
C.What's your name?
D.I feel sad.
E.My head hurts.

Tom: How do you feel?
Li Ling: ____
Tom: ____
Li Ling: My head hurts.
Tom: ____
Dr. Wang: ____
Li Ling: My name is Li Ling.
Dr. Wang: What's the matter?
Li Ling: ____

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