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【单选题】
在杂质半导体中多子的数量主要与()有关。A.
温度
B.
掺杂浓度
C.
光照强度
D.
晶体体积
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反馈参考答案：
举一反三
【单选题】—Could you tell me _______, Mary? —Of course. Go straight, and you’ll see it on your right.
A.
where is the cinema
B.
where the cinema is
C.
where was the cinema
D.
where the cinema was
【单选题】-- Mum, Mary bought a pet dog yesterday. Could you please buy __________ for me? -- Sure. But you must look after it yourself.
A.
that
B.
this
C.
it
D.
one
【单选题】If you______Mary, could you tell her I'd like to see her this weekend?
A.
go into
B.
run into
C.
look after
D.
look into
【单选题】---Mary, I heard there was an explosion in Luzhou. Could you tell me how it _______? ---Sorry, I don’t know much about it either.
A.
came on
B.
came about
C.
came out
D.
came over
【简答题】创建图像提交按钮,应将 INPUT 标记符的 type 属性指定为
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