( ) 5. The ______ teacher’s wife is working in a factory.
A. chemical ; chemistry
B. chemistry ; chemical
C. chemical; chemical
D. chemistry ; chemistry
5. B chemistry指“化学”chemical指“化学的，化学上的”。
题目来源：2015仁爱英语同步练测考九年级英语全一册仁爱版 > Topic 1 Pollution has caused too many problems.
科目：初中英语 来源： 题型：
词语运用。
increase,while,child,nearby,hard,but (also), spend,often,small,develop,take,grow |
In the past,when more Americans lived on farms,a family usually had many 1 Parents and their children 2 lived with grandparents. And uncles and aunts lived 3 ，too. But when industry (工业) became more important than agriculture (农业)in America，families became 4 . Industry needs a lot of workers. They must be ready to move off the land and to move again whenever necessary. That is to say,with the development of science,families have changed. Large families can not move from one place to another 5 small families can. Today,there are more and more small families. They may even keep no child because taking care of a child is a 6 work. It 7 parents not only money and time,8 much energy (精力）.
That’s why the population of most developed countries 9 more and more slowly. In this way,the country can 10 faster than before and young children can have more chance to get education and find suitable jobs.
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.
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科目：初中英语 来源： 题型：
( ) 2. —How long has he from home?
—For several days.
A. left B. been away
C. be away D. leave
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科目：初中英语 来源： 题型：
( ) 3. Long time no see!I think you a lot.
A. will change B. were changing
C. are changed D. have changed
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