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【判断题】
维生素对人体的生长和健康是必需的，但人体不能合成维生素。( )A.
正确
B.
错误
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【单选题】My sister tried her best to___the life in Italy,but failed to make any ___.
A.
adjust to;senses
B.
adapt to;trouble
C.
adapt to;effort
D.
adjust to;difference
【简答题】 假定下表是需求函数: 在一定价格范围内的需求表。 (1)求出价格2元和4元之间的需求的价格弧弹性。 (2)根据给出的需求函数,求P=2元时的需求的价格点弹性。
【单选题】My sister tried her best to ____the life in Italy, but failed to make
A.
y ____.
B.
adjust to; senses
C.
adapt to ; trouble
D.
adapt to; effort
E.
adjust to; difference
【单选题】My sister tried her best to ______ the life in Italy, but failed to make any ____________.
A.
ajust to ; senses
B.
adapt to ; trouble
C.
adapt to ; effort
D.
adjust to ; difference
【简答题】假定下表是需求函数Qd=1200-200P在一定价格范围内的需求表。 试求:(1)价格为2~4元的需求的价格弧弹性。 (2)根据给出的需求函数求出P=2元时的需求的价格点弹性。
【单选题】leson 41 Do you call that a hat-(清晰).f4v 1.The writer probably________.
A.
did't like the hat his wife had chosen
B.
liked the hat his wife had chosen
C.
chose a hat for his wife
D.
chose the hat that looked like a lighthouse
【单选题】Sitting opposite my sister and me in the subway who walked alongside us and tried to punch us on Fifth Avenue.
A.
were they the same men
B.
they were the same men
C.
were the same men
D.
the same men were
【单选题】Sitting opposite my sister and me in the subway ____ who walked alongside us and tried to punch us on the Fifth Avenue.
A.
were they the same men
B.
they were the same men
C.
were the same men
D.
the same men were
【单选题】(2013·吉林长春三校高三调研)Days later, I tried to get my sister to tell me what was going on, but she ________ say anything.
A.
mustn't
B.
shouldn't
C.
wouldn't
D.
mightn't
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