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【判断题】
产品的需求弹性与产品本身的独特性和知名度密切相关，越是独具特色和知名度高的产品，需求弹性越小，反之，则需求弹性越大。A.
正确
B.
错误
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举一反三
【简答题】若一阶电路的时间常数为 1s ,则零输入响应每经过 1s 将衰减为原来值的( )。
【单选题】The signs were more ( ) in 2002.2002年的迹象更不好。
A.
optimistic
B.
ominous
C.
positive
D.
omit
【简答题】A．pessimistic B．hopeful C．desperate D．optimistic
【单选题】"She is no less optimistic than her elder sister." The sentence means that
A.
she is not as optimistic as her elder sister.
B.
she is more optimistic than her elder sister.
C.
she is as optimistic as her elder sister.
D.
she is no more optimistic than her elder sister.
【简答题】阅读理解。 A Leg Walking Right Here are some signs + - x..., the signs are very different. They mean very different things. When you see them, you know what to do. This sign + means that you will add some ...
【单选题】(1~6题共用题干) 患儿女,6岁。因煤气泄漏爆炸致头面部、双上肢烧伤入院。查体:烧伤部位有大量水泡、痛觉迟钝。 第一问:采用中国新九分法估计该患者的烧伤面积约为
A.
18%
B.
21%
C.
33%
D.
27%
E.
54%
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