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【单选题】
健康成年人的射血分数应为（）A.
45～55%
B.
55～65%
C.
65～75%
D.
75～85%
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举一反三
【单选题】The text indicates that
A.
some countries developed quickly because of the emergence of the limited liability company.
B.
the tide of industralisation would wide benefited British shareholders greatly.
C.
shareholders contributed a lot to the fast growth of the British economy.
D.
the system of shareholding impaired the management of modem companies.
【简答题】Translation：2. We want to know the price CIF London for your cotton sheets.
【单选题】One of the consequences of advanced cognitive ability has been the emergence of cultural life.
A.
commendable
B.
compiling
C.
perceptive
D.
pertinent
【单选题】In the figure given below AB is the production-possibility curve of Canada. In the absence of trade, the price ratio is 1 bushel of wheat/bale of cotton as shown by the line PQ. The international pric...
A.
40 bushels of wheat.
B.
20 bushels of wheat.
C.
30 bales of cotton.
D.
60 bales of cotton.
【单选题】Which of the following contributes to the emergence of musical prodigies according to the passage?
A.
A natural gift.
B.
Extensive knowledge of music.
C.
Very early training.
D.
A prejudice-free society.
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