内表面
参考答案:一般指膨胀性黏土矿物的晶层之间的表面积和腐殖质分子内部的表面积。
阅读短文,用括号内所给单词的适当形式填空。
Mr Turner used 1 (go) fishing in the countryside every week. It 2 (be) his
favorite sport. He often fished for several hours without 3 (catch) anything at all.
But this did not 4 (worry) him much. Some fishermen couldn't catch fish.
Sometimes they caught old boots or rubbish. Mr Turner was even worse than the
other fishermen. He never caught anything even old boots. After he 5 (spend) the
whole morning fishing on the river, he always went home with an empty bag. "You
must give up fishing ! " his friends said, "It's a waste of time. ""But they don't 6
(realize) one important thing. I'm not really 7 (interest) in fishing. I only enjoy 8
(sit) in' a boat and doing nothing at all. It can make me 9 (forget) the noise of the
city and live quietly for some time, "he always 10 (say) to himself.
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.
道路交通违法行为累积记分周期是多长时间?
A.14个月
B.12个月
C.10个月
D.6个月