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【单选题】
把正、负极板各一片浸入电解液中，可获得几伏的电势？（）A.
lV
B.
1.5V
C.
2V
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反馈参考答案：
举一反三
【多选题】甲国公民杰克申请来中国旅游,关于其在中国出入境和居留期间的管理,下列哪些选项是正确的?
A.
如杰克患有严重精神障碍,中国签证机关不予签发其签证
B.
如杰克入境后可能危害中国国家安全和利益,中国出入境边防检查机关可不准许其入境
C.
杰克入境后,在旅馆以外的其他住所居住或者住宿的,应当在入住后 48小时内由本人或者留宿人,向居住地的公安机关办理登记
D.
如杰克在中国境内有未了结的民事案件,法院决定不准出境的,中国出入境边防检查机关有权阻止其出境
【单选题】Low-cost airlines are emerging all over Aisa;this will ___the development of the world’s air-travel market as a whole.
A.
contribute to
B.
lead to
C.
stick to
D.
attend to
【单选题】Low-cost airlines are emerging all over Asia; this will _____ the development of the world’s air-travel market as a whole.
A.
contrast with
B.
contribute to
C.
commit to
D.
confront with
【单选题】Low-cost airlines are emerging all over Asia; this will ______ the development of the world’s air-travel market as a whole.
A.
contribute to
B.
devote to
C.
add to
D.
stick with
【简答题】Low-cost airlines are emerging all over Asia; this will the development of the world's air-travel market as a whole.
【单选题】Low-cost airlines are emerging all over Asia; this will ______ the development of the world’s air-travel market as a whole.
A.
contribute to
B.
devote to
C.
add to
D.
stick to
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