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【多选题】
对里昂惕夫之谜的解释包括( )A.
美国对劳动密集型进口商品征收高额关税
B.
由于美国劳动力效率更高相对于其他贸易伙伴拥有更多的劳动力
C.
美国的出口产品密集使用了熟练的劳动力
D.
美国倾向于出口需要大量科学和工程技术投入的高技术产品
E.
产品需求逆转
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皮皮学刷刷变学霸
举一反三
【单选题】In the eyes of the author, what happens to a scholar who shares his ideas with his colleagues?______.
A.
He risks his ideas being stolen.
B.
He gains recognition for his achievement.
C.
He is considered as an eccentric.
D.
He is credited with a startling discovery.
【单选题】______, some people think there is something in them.
A.
His ideas may sound crazy
B.
As his ideas may sound crazy
C.
Crazy as his ideas may sound
D.
As crazy his ideas may sound
【简答题】1-m sure that he'll change his ideas．（改为同义句） He______ ______ ______ ______his ideas，
【单选题】What will happen to a scholar who shares his ideas with his colleagues in the author's opinion?
A.
He gains recognition for his achievements.
B.
He attracts large numbers of students.
C.
He risks his ideas being stolen.
D.
He is considered slightly mad.
【简答题】Great as Newton was, many of his ideas ____________ today and are being modified by the work of scientists of our time. A) are to challenge B) may be challenged C) have been challenged ...
【简答题】Great as Newton was, many of his ideas ____________ today and are being modified by the work of scientists of our time. A) are to challenge B) may be challenged C) have been challenged D) are challeng...
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