将碘酒滴到一片土豆上，可观察到土豆变蓝，说明土豆中含有：_刷题宝

题干

将碘酒滴到一片土豆上，可观察到土豆变蓝，说明土豆中含有：

A：油脂

B：淀粉

C：葡萄糖

D：纤维素

上一题下一题 0.0难度选择题更新时间:2017-11-20 04:02:16

答案(点此获取答案解析）

B

同类题1

He doesn't like his red nose, because his friends laugh him.

同类题2

—Didn’t you see the ______, sir? Smoking is not allowed here!

同类题3

□里填几？

____

同类题4

.Why did you take a taxi____you could come here by bus?

同类题5

-I'm Gina. Nice to meet you.

-_______

小学学科试题库

初中学科试题库

高中学科试题库