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【简答题】
基态Si原子中,电子占据的最高电子层符号为 _____,该电子层具有的原子轨道数为_____、电子数为_____。
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皮皮学刷刷变学霸
举一反三
【单选题】He was the spirit of regnant labor as he stood there, his hands outreaching to rend and ______ his audience.
A.
crush
B.
clash
C.
crash
D.
crunch
【单选题】He stopped his ears with his hands to _____ the terrible noise.
A.
show off
B.
cut out
C.
keep from
D.
shut out
【简答题】It is (demanded) that he (hands in) the (homework) (this) afternoon
【简答题】病毒的基本结构是由_ 和_ 构成,又称为_ 。
【单选题】When he came to, he found himself _____ on a chair, with his hands _____ back. [ ]
A.
to sit; tied
B.
sitting; tying
C.
sat; tied
D.
sitting; tied
【简答题】你认为柱插筋学习的重难点是什么?你的困惑是什么?
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