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【简答题】
纸上的画技“积墨”,在陶瓷上称为()
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举一反三
【简答题】For this part, you are allowed 30 minutes to write a composition on the topic Is CET-4 Necessary? You should write at least 120 words following the outline given below in Chinese. 1. 很多人认为有必要举行CET-4考试...
【简答题】Please fill blanks with words given, and change the form when necessary. The central aim of the government is to keep social (stable) _______________and economic growth. 2. The (similar) _________...
【简答题】The ________ at the military academy is so rigid that students can hardly bear it. A) convention B) confinement C) principle D) discipline 2.The test results are beyond ________; they have been re...
【单选题】接有电容滤波器的桥式整流滤波电路如图所示，已知u(t)=35.4sin314tV，直流电流表读数150mA，输出电压Uo等于( )。
A.
42.4V
B.
-22.5V
C.
31.8V
D.
-30V
【单选题】At times I was so lonely I was amazed I didn’t just expire right there on the spot, as if loneliness that strong were a divine thunderbolt that could strike me down at any moment, whether I was in bed...
A.
die, such
B.
lose validity, so
C.
lose validity, such
D.
die, so
【单选题】接有电容滤波器的桥式整流电路如图所示。已知u(t)=35.4sin314tV，直流电流表读数150mA，输出电压U0等于( )V。
A.
4204
B.
-22.5
C.
31.8
D.
-30
【简答题】从下列短语中选出短语并根据句意用其正确的形式完成句子: take photos ; take a break ; take a risk ; take a long time ; take care of ; take part in ; take your time ; take my breath away I’ve been working so hard all day that I re...
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