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【单选题】
在一稳压电路中,电阻值R在电路规定的稳压区域内减小后再增大,电流就随之( )。
A.
增大
B.
减小后再增大
C.
增大后再减小
D.
减小
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参考答案:
举一反三
【简答题】What are the Pub Etiquette and Customs? What’re the Dos and Don’ts in a Pub? 1) Between you and the Bar Staff
【简答题】We spent a day in the country and picked a lot of flowers. Our car was of flowers inside! the way home we had to stop at traffic lights, and there my wife saw the bookshelf. It stood outside a furnitu...
【判断题】垄断竞争型市场中有少数几个厂商。
A.
正确
B.
错误
【单选题】The HO theorem states that a country will have comparative advantage in the good whose production is relatively intensive in the ________ with which the country is relatively abundant.
A.
tastes
B.
technology
C.
factor
D.
opportunity costs
【单选题】一单摆周期恰好为1s,它的摆长为
A.
0.99m
B.
0.78m
C.
0.5m
D.
0.25m
【单选题】According to the Heckscher-Ohlin (HO) model the source of comparative advantage is a country's
A.
technology.
B.
advertising.
C.
factor endowments.
D.
Both A and
【判断题】垄断竞争型市场中有少数几个厂商。()
A.
正确
B.
错误
【单选题】一单摆的周期恰好为1 s,它的摆长为
A.
0.99 m
B.
0.25 m
C.
0.78 m
D.
0.5 m
【判断题】撰写典型人物演讲材料要充分发挥语言的作用,要用最好的语言装饰先进材料,或夸张,或比喻,锦上添花。()
A.
正确
B.
错误
【判断题】The overlaps of tax jurisdiction of two or more countries lead directly to the international double taxation.
A.
正确
B.
错误
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