单项选择题

It is________to believe that the quantity of water keeps unchanged when it is con tained in two different glasses.

A．easy to persuade children
B．hard for most children
C．innate of most children
D．difficult for both adults and children
<上一题 目录 下一题>
热门 试题

单项选择题
According to the first paragraph, gelatin________.
A．is a protein that can be obtained from animals
B．is harmful to human bodies
C．should not be made into a dessert
D．is lacking in tryptophan and arginine
单项选择题
The best title for this passage might be________.
A．Chinese Cooking Style
B．Differences between Proteins
C．How to Take Proteins Scientifically
D．How to Avoid Heart Disease
相关试题