皮皮学,免费搜题
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搜题
【单选题】
红色刚玉多为哪个元素致色
A.
铁元素
B.
铬元素
C.
钒元素
D.
钛元素
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举一反三
【单选题】These pictures will show you ______.
A.
what dose the village look like
B.
what the village looks like
C.
how does the village look like
D.
how the village looks like
【单选题】Who made __ mistakes in the dictation?
A.
few
B.
a few
C.
the fewer
D.
the fewest
【单选题】These pictures will show you______.
A.
what does the village look like
B.
what the village looks like
C.
how does the village look like
D.
how the village looks like
【单选题】若有定义语句: int year=2017 , *p=&year ;,以下不能使变量 year 中的值增至 2018 的语句是 ( ) 。
A.
*p+=1 ;
B.
( *p)++ ;
C.
++(*p) ;
D.
*p++ ;
【单选题】差分放大电路是为了()而设置的
A.
稳定Au
B.
放大信号
C.
抑制零点漂移
【简答题】定义P3.0的语句是 。
【单选题】These pictures will show you _____.
A.
what does our village look like
B.
what our village looks like
C.
How does our village look like
D.
How does our village looks like
【判断题】差动放大电路在电路中采用对称结构式为了抵消两个三极管放大倍数的差异。( )
A.
正确
B.
错误
【单选题】差分放大电路是为了()而设置的。
A.
稳定Au
B.
放大信号
C.
抵制零点漂移
【简答题】为了保证三极管工作在放大区,在组成放大电路时,外加电源的极性应如何设置?
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