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【单选题】
某二极管的击穿电压为300V,当直接对220V正弦交流电进行半波整流时,该二极管___A.
会击穿
B.
不会击穿
C.
不一定会击穿
D.
完全截止
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下面过于Fus i onCompte的描述中,哪个是错误的
A.
Fus i onCompte 是 Fus i onSphere 的虚拟化部件
B.
FusionCompte实现对X86服务器、存储和网络的虚拟化，形成IT弹性资
C.
Fus i onCompte能够实现对IT业务的变盘和发放以及自动
D.
Fus i onCompte是Fus i onSphere解决方案的基石
【单选题】Children may not enjoy (to eat) sweets after a meal (so much as) (at) other times, but it is healthier for them (to do) so.
A.
to eat
B.
so much as
C.
at
D.
to do
【单选题】Children may not enjoy (to eat) sweets after a meal (so much) as at other (times), but it is healthier for them (to do) so.
A.
to eat
B.
so much
C.
times
D.
to do
【单选题】Childern may not enjoy (to eat) sweets after a meal (so much as) (at) other times, but it is health healthier for them (to do) so.
A.
to eat
B.
so much
C.
at
D.
to do
【单选题】下列说法正确的是
A.
天然植物油常温下一般呈液态，难溶于水，有恒定的熔点、沸点
B.
麦芽糖与蔗糖的水解产物均含葡萄糖，故二者均为还原型二糖、
C.
若两种二肽互为同分异构体，则二者的水解产物不一致
D.
乙醛、氯乙烯和乙二醇均可作为合成聚合物的单体
【单选题】Last weekend I had homework. After finishing it, I felt tired.
A.
too many, too much
B.
too much, much too
C.
much too, too much
D.
much too , much too
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