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搜题
【单选题】
引起严重产褥感染的致病菌是A.
白色葡萄球菌
B.
厌氧性链球菌
C.
溶血链球菌
D.
大肠埃希菌
E.
肺炎双球菌
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【简答题】Will it matter if you don’t take your breakfast? Recently a test was given in the United States. Those tested included people of different ages, from 12 to 83. During the experiment, these people were...
【单选题】Remember King Kanuta and his tropical island? The demand function for coconuts by his subjects on the island is D(p) = 1200-100p and the supply function is S(p) = 100p. The law used to be that any sub...
A.
100
B.
200
C.
600
D.
400
【单选题】一个色环的电阻，五个的色环颜色分别是白、棕、黑、红、棕，那么这个电阻阻值为（ ）The colour code is white, brown, black,red and brown, the resitance value of the resistor is ( )
A.
81 0 Ω±1%
B.
91kΩ±5%
C.
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D.
8 1kΩ±1%
【简答题】一个电阻的色环颜色分别为黑棕棕黑那么这个电阻的阻值是
【单选题】Will it matter if you don’t take your breakfast? Recently a test was given in the United States. Those tested included people of different ages, from 12 to 83. During the experiment, these people were...
A.
no breakfast at all
B.
very rich breakfast
C.
little food for breakfast
D.
different breakfasts or none
【单选题】一个色环的电阻，五个的色环颜色分别是蓝、灰、黑、红、棕，那么这个电阻阻值为（ ）
A.
6.8k Ω±5%
B.
6.8k Ω±1%
C.
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D.
8.2kΩ±5%
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A.
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B.
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C.
3.3k Ω±1%
D.
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