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【判断题】
已经乙醇的酸性比,因此,在水溶液中乙醇钠是比氢氧化钠更强的碱。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】阻容相移电路如图2．3．13所示。
【单选题】He wanted to sleep， but no sooner his eyes than the desire to sleep left him.
A.
had he closed
B.
he had closed
C.
did he close
D.
he closed
【简答题】轴突外包裹着髓鞘和神经膜的一类神经纤维称为______。
【单选题】No sooner Beijing than his mother fell sick.
A.
he left
B.
he had left
C.
had he left
D.
left he
【多选题】在PowerPoint 2003中.幻灯片放映时能够切换到下一张幻灯片的操作有________。(多选)
A.
按↓键
B.
按PgDn键
C.
用鼠标单击当前幻灯片
D.
按Enter键
【单选题】No sooner his job in a small company than he received an offer from a big international firm.
A.
he quit
B.
he had quit
C.
had he quit
D.
does he quit
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