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问题 选择题

—Who told you to clean the windows?

—Father _______. He said they were too dirty.  [ ]

A. told                   

B. did  

C. have told              

D. had told

答案

答案：B

单项选择题

The term "automatic stabilizers" refers to the fact that:（）

A. legislators automatically change the tax structure and expenditure programs to correct upswings and downswings in business activity.

B. with given tax rates and expenditure policies, a rise in national income tends to produce a surplus, while a decline tends to result in a deficit.

C. government expenditures and tax receipts automatically balance over the course of the business cycle, although they may be out of balance in any single year.
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单项选择题

下面的花卉中，构图合适的是（）。

A.

B.

C.

D.
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