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【单选题】
加反向偏压于 pn 结,势垒高度将( )。A.
升高
B.
下降
C.
不变
D.
不确定
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【简答题】Model 2: There are many consumers in the market. The ability of each country to specialize in what it does best becomes great. The more consumers there are in the market, the greater the ability of ea...
【单选题】-Jane’s spoken English is pretty good. -Yeah,she works hard and practices__it both in and out of class.
A.
spoke
B.
to spoke
C.
speaking(2016长沙市中考英语试题)
【简答题】Hello! My name’s Lin Min. My sister Lin Li is a teacher ( 教师 ), but she isn’t in Beijing with us. She works in a small school in Yushu in Qinghai. She works hard . Every morning after breakfast, she g...
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