In the old days，in London，the smog was very thick. Car and bus drivers 1 to drive very slowly they could 2 see the.road in front of them even during the daytime. People did not like going out in the smog. 3 they had to go out，they wore smog masks over their faces.
In December 1952，a very， 4 dark cloud came down over.London.It was the 5 smog Londoners had ever had. 6 of it was bad factory smoke. Nearly fifty people died in road accidents. But many more people became unhealthy.The smog was very 7 for old people and children.One man said，"The streets were almost 8 because people stayed at home as much as possible.The air was very thick，and you could almost cut it with a knife."
After three weeks，the smog began to 9 .But in the following weeks and months，over 4000 people died as a 10 of the smog.
( )1 A.hurried B.stayed C. had D.minded
( )2. A.already B.easily C.luckily D. hardly
( )3 A.If B.So C.Though D.Whether
( )4. A.thin B.thick C.light D.clear
( )5. A.furthest B.hottest C.worst D.nicest
( )6. A. Much B.Many C.Few D. A few
( )7. A. quiet B.dangerous C.favorite D.weak
( )8. A.busy B.empty C.enjoyable D.dirty
( )9. A.arrive B.shine C.forget D.lift
( )10. A.beginning B.part C.usual D.result
答：
1. C 解析：have to"不得不"，雾很大，所以司机们不得不开慢一些。
2.D 解析：hardly"几乎不"，为半否定词。这个词是小升初常考高频词，在反义疑问句考题中出现，需要特别关注。反义疑问句 ：前否后肯，前肯后否。
3. A 解析：本题考查状语从句连词的用法，if表示如果，引导条件状语从句。
4. B 解析：本题考查上下文，从下文可以推断出本题讲的是一场很大的雾，thick修饰雾。
5. C 解析：worst是bad的最高级，表示最严重的。
6. A 解析：smog是不可数名词。Much可以修饰不可数名词。
7. B 解析：上句提到很多人变得不健康，可以推出雾是很危险的。
8. B 解析：下文中提到人们都尽量待在家里，说明街上应该是空荡的。
9. D 解析：本题考查动词词义，lift有(云雾等)消散，停止的意思。如果对这个意思不了解，也完全可以用排除法很容易的做出来
10.D 解析：as a result of---由于-的结果，固定搭配。