题目内容
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[单选题]
In the United States, pay is linked to time and to one' s___ , so it is not surpri
A. productivity
B. product
C. production
D. produce
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A. productivity
B. product
C. production
D. produce
In the United States, depression is a serious problem.
A.Y
B.N
C.NG
United States adopted gold standard in 1867.
A.Y
B.N
C.NG
In the United States, the number of males and females is not in proportion.
A.Y
B.N
C.NG
The largest news agency in the United States is the Associated Press (AP).()
The national bird of the United States is______.
A.sparrow
B.swallow
C.eagle
D.swan
Which of the following kills the most people in the United States?
A.Accidents.
B.Heart disease.
C.Cancer.
D.Smoking.
The United States bought Louisiana from ______.
A.France
B.Spain
C.Britain
D.Mexico
The car made the United States a nation on
A.sheep.
B.wheels.
C.bulls.