【单选题】
At present, U. S. exports account for of the world’s total.
A. A. 10%
B. B. 15%
C. C. 20%
D. D. 25%
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答案
A
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is not one of the three giants in American automobile industry.
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The following statements are all true except .
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President Johnson tried to build a “Great Society” by introducing various programs like the following except .
A. A. Medicare
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The following inventions took place during the “second indThe following inventions took place during the “second industrial revolution” except .
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The first National Bank of the United States was established with the urge of .
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