问题
单项选择题
人们为提高粮食产量，曾采取下列措施，其中已经证明为错误的是（）
A.发展农业科学，培育高产优质的粮食品种
B.尽量使用人畜粪便等有机肥
C.大规模围湖造田，开垦草原以扩大耕地
D.实行农地规划，加强农田管理
答案
参考答案：C
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人们为提高粮食产量，曾采取下列措施，其中已经证明为错误的是（）
A.发展农业科学，培育高产优质的粮食品种
B.尽量使用人畜粪便等有机肥
C.大规模围湖造田，开垦草原以扩大耕地
D.实行农地规划，加强农田管理
参考答案：C
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| The Browns are 1 neighbor(邻居). Mr Brown's name is John. But when his neighbors talk 2 him, they all call him"Mr Going-to-do". Do you know 3 ?Mr Brown always says he is going to do something,_ 4 he never does it. Every Saturday Mr Brown 5 to the Smiths' back door and talks to Mr Smith. He always says he is going to do something. 1'm going to clean my house today,"he says, "l'm going to wash my car tomorrow," or, "These trees in front of my house are 6 big. I'm going to cut them down next week. " Mr Smith usually says,"Are you, John?" He knows his neighbor is not going to clean his house, or wash his car, or cut down 7 trees. Then he says,"Well, 8 , John, I’m going to do some work in the house. "And he 9 . Mr and Mrs Smith often say to their only child Dick,"Are you going to do something? Then do it! 10 another 'Mr Going-to-do. | |||
| ( )1. A. Smith ( )2. A.like ( )3. A. how ( )4. A. or ( )5. A. go ( )6. A. two ( )7. A. much ( )8. A. excuse ( )9. A.is ( )10. A. Be not | B. the Smiths B.to B. which B. and B. going B. many B. some B. hello B. do B. Do be not | C. Smiths C. about C. what C. but C. goes C. a lot of C. any C. thank you C. will C. Don't be | D. the Smiths' D. over D. why D. so D. is going D. too D. a little D. sorry D. does D. Be not do |