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【单选题】
某人愿意用200第一件衬衫，愿意用350两件衬衫。第二件衬衫的边际效用是多少？（ ）。A.
550
B.
150
C.
275
D.
350
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举一反三
【单选题】Thanks to his pension, Li Zhentian, _____ give each of his grandchildren RMB 5 as a Chinese New year gift for the first time.
A.
had to
B.
was able to
C.
would
D.
could
【单选题】He had been a strict father but was _____________to his grandchildren.
A.
indulge
B.
indulgent
【单选题】His three grandchildren( )him greatest pleasure in his old age .
A.
affords
B.
afforded
C.
has afforded
D.
have afforded
【简答题】如何保障和改善民生?
【简答题】如何保障和改善民生？
【单选题】The grandfather was _____ to see his grandchildren playing _____ . [ ]
A.
happy; happy
B.
happy; happily
C.
happily; happily
D.
happily; happy
【单选题】判断图示各平面结构的超静定次数(面内受力)。 (a)( )次; (b)( )次; (c)( ) 次; (d)( )次
A.
0、1、1、0
B.
1、1、0、0
C.
0、2、1、0
D.
0、2、0、1
【简答题】阅读理解。 In his 1930 essay 'Economic Possibilities for Our Grandchildren ', John Keynes, a famous economist, wrote that human needs fall into two classes: absolute needs ,which are independent of what ot...
【单选题】中央经济工作会议于2010年12月10日至12日在北京举行。中共中央总书记胡锦涛、国务院总理温家宝作重要讲话。 会议针对目前严峻的通胀形势，如何保障和改善民生将是重中之重，基调为“保增长、调结构、控通胀”。这体现我国宏观调控的主要目标有（） ①促进经济增长 ②增加就业 ③稳定物价 ④保持国际收支平衡
A.
①②
B.
③④
C.
①③
D.
①④
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