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【单选题】
以下哪个不是“复习”指令?A.
Let's go over the words and expressions.
B.
Let's review what we learned yesterday.
C.
Let's study the assignments by yourself.
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举一反三
【简答题】如图所示电路中,电源电动势E=120V,内电阻Rs=0.3Ω,连接导线电阻Rw=0.2Ω,负载电阻RL=11.5Ω。求: (1)通路时的电流、负载和电源的电压,负载消耗的电功率、电源产生和输出的电功率; (2)开路时电源电压和负载电压; (3)负载端和电源端短路时电源的电流和电压。
【单选题】The number of people invited______fifty, but a number of them______absent for different reasons.
A.
were, was
B.
was, was
C.
was, were
D.
were, were
【单选题】 The following extract of information is available concerning the four cost centres of EG Co. Production cost centres Service cost centre Machinery Finishing Packing Canteen Number of direct employee...
A.
$1,200
B.
$9,968
C.
$10,080
D.
$10,160
【单选题】The following extract of information is available concerning the four cost centres of EG Limited. Production cost centres Service cost centre Machinery Finishing Packing Canteen Number of direct ...
A.
$1,200
B.
$9,968
C.
$10,080
D.
$10,160
【单选题】The number of tickets available will be ______ by the size of the stadium.
A.
determined
B.
related
C.
consequent
D.
dependent
【单选题】The following extract of information is available concerning the four cost centres of EG Limited. Production cost centres Service cost Centre Machinery Finishing Packing Canteen Number of direct emplo...
A.
$1,200
B.
$9,968
C.
$10,080
D.
$10,160
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