单项选择题

What is implied by saying "a layer of soil acts as a sponge" (Para. 2)

A．Soil can be used to clean things.
B．Soil can store water and give it up when needed.
C．Soil is all elastic material.
D．Soil can provide water.
<上一题 目录 下一题>
热门 试题

单项选择题
He admitted that he shouldn't have been so______ as to say insulting words to the immigration officer who had refused his application.
A．impatient
B．tolerant
C．crude
D．indignant
单项选择题
The entertainment agency that______ me a membership card is operated by a foreign investor.
A．approves
B．authorizes
C．rectifies
D．endows
相关试题