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【单选题】
理智型人群的成交规则是()
A.
受该市场该产品的历史优惠额度影响,其次看企业综合指数
B.
受该组的企业综合指数影响
C.
受该组的价格制定高低有关
D.
受该组售卖产品的型号多少有关,其次看价格
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举一反三
【单选题】IM0 环委会第 31 届会议决定将船舶的排放机舱污水的含油量不得超过 ______ppm 的规定扩大到所有航区。
A.
10
B.
12
C.
15
D.
100
【判断题】The increase dV results in an increase dI in the diode current. The dynamic or incremental resistance is rd = dV/dI.
A.
正确
B.
错误
【单选题】产生温室效应的主要物质是
A.
一氧化碳
B.
二氧化碳
C.
甲烷
D.
臭氧
【简答题】阅读理解。 Please look at the Flight Timetable and choose the right answers. (departure=leaving) 1. You'll go to Australia. You can only take _____ when you reach Beijing Airport at eleven forty. A .CA923 ...
【单选题】产生温室效应的主要物质是
A.
NO
B.
CO
C.
N O
D.
CO
E.
SO
【单选题】bat Please choose the right Chinese meaning.
A.
猴子
B.
蝙蝠
C.
果子狸
D.
松鼠
【判断题】A zener diode is a specially doped diode that operates the same as a regular diode in the forward-biased condition (it allows large current to flow).
A.
正确
B.
错误
【判断题】A diode is a semiconductor that allows current to flow in any direction.
A.
正确
B.
错误
【单选题】The reverse saturation current of a diode will just about ( )for every 10°C rise in the diode temperature.
A.
double
B.
half
C.
increase proportionately with temperature
D.
decrease proportionately with temperature
【单选题】产生温室效应的主要物质是()
A.
NO 2
B.
CO 2
C.
N 2 O
D.
CO
E.
SO 2
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