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【简答题】
已知某区域的电势表达式为 (V). 该区域的(2,-1,1)点,场强的两个分量为: ____(N/C); ____(N/C).(在稿纸上写出简要计算过程)
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反馈参考答案：
举一反三
【简答题】趋势分析(trend ysis)
【单选题】Pakistani and U. S. officials have formally signed an agreement before they______.
A.
fought together against the terrorist group
B.
negotiated on the anti-terrorism cooperation
C.
spied on the Taliban in Afghanistan
D.
united to form. coalition troops
【单选题】The difference between a fad and a trend is that .
A.
a fad lasts longer
B.
a fad is more important
C.
a trend lasts longer
D.
a trend will never change
【简答题】Listen to the toast again and decidewhether the following statements are true or false. Then write down the keywords to support your answers. 1. Their sales volume increased by 8% during the past year...
【单选题】I don't know _____ my father's father in English. [ ]
A.
how call
B.
what call
C.
how to call
【单选题】Which is not the trend of present environment situation ?
A.
global pollution trend
B.
climate trend
C.
population trend
D.
economy trend
【单选题】• Your father’s father, you call him_____.
A.
uncle
B.
grandfather
C.
brother
D.
father
【简答题】I. Choose the proper words to fill in the blanks. business,commerce, deal, bargain , transaction, trade 1. He is in the frozen food ____________. 2. They have made their fortunes from industry and ___...
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