下图是细胞与内环境的关系图，①箭头表示血流方向。下列说法正确的是_刷题宝

题干

下图是细胞与内环境的关系图，①箭头表示血流方向。下列说法正确的是

A：内环境包括③④⑤

B：③中可发生淀粉的水解

C：红细胞携带的O₂到达⑤内参与生理活动需要通过4层膜

D：若④中蛋白质外渗至③中，会引起组织水肿来

上一题下一题 0.0难度选择题更新时间:2018-11-02 11:15:34

答案(点此获取答案解析）

D

同类题1

比一比，再组词。

块____	捉____	河____	跟____
快____	足____	可____	很____

同类题2

4的算术平方根是____，9的平方根是____，﹣27的立方根是____．

同类题3

阅读下面宋诗，完成各题。

山雨

翁卷

一夜满林星月白，亦无云气亦无雷。

平明忽见溪流急，知是他山落雨来。

同类题4

阅读下面短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中选出最佳答案。

One day, a little schoolboy went home with a pain in his stomach.

"Well, sit down and 1 a cake," said his mother."Your stomach 2hurting because it's empty.It'll be all right when you've got something in it."

Five minutes later, Dad came home 3 the office.And he said he had a headache.

"That's because your head is 4," said his clever son."You'll be all right if you have got 5 in it." His dad and mum laughed.

同类题5

山东烟台市郊区某村，利用塑料大棚生产蔬菜，并同时开办了养猪场，如下图所示。据此回答下列各题。

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