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【简答题】
假设商品需求函数为Q=M/2P，其中P为价格，M为收入，则需求的价格点弹性为（ ）
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举一反三
【单选题】You are about to write a poem, aren't you? ---〉 A poem _____ (by you), _____ ?
A.
is about to be written, aren't you
B.
is about to be writing, isn’t it
C.
is about to be writing, aren't you
D.
is about to be written, isn’t it
【单选题】This poem replaces traditional romantic images of love with quite ordinary objects, which become effective images simply because they are so ordinary.
A.
“Valentine”
B.
“A marriage”
【简答题】A．obtains B．consumes C．brings D．replaces
【单选题】Whe didn't Alice refuse to listen to Humpty Dumpty' poem?
A.
Because Alice really enjoyed listening to the poem.
B.
Because the poem described the beauty of the four seasons in a year.
C.
Because the poem was specially written for Alice.
D.
Because Alice wanted to amuse Humpty Dumpty.
【单选题】为预防局麻药中毒反应，以下哪项是错误的
A.
一次用药不超过最大剂量
B.
使用最低有效浓度；
C.
避免注入血管内
D.
凡局麻药内都必须加入肾上腺素
E.
术前给巴比妥类或安定
【单选题】Individual lines of the poem were very beautiful, but I didn't see how the lines fit together. To me, the poem wasn't ______.
A.
inherent
B.
coherent
C.
logical
D.
corporate
【单选题】When the mother cried: “ Buddy, you didn ’ t really write this beautiful, beautiful poem! ” _______.
A.
She didn ’ t believe that her son had really written this beautiful poem
B.
She was not sure whether her son had written this poem
C.
She meant that an eight-or-nine-year-old boy could not have written such a wonderful poem
D.
She wanted to let her son know she was amazed that he had written such a beautiful poem
【单选题】What doesn’t the writer want to tell the readers by his poem Fog?
A.
The poem implies city mystery and desolation.
B.
The poem tells the readers about life.
C.
The poem indicates the relationship between man and nature.
D.
The poem shows the benefits of the fast development of modern society.
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