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【简答题】
计算机的一般维护和安全使用要注意哪些事项?
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举一反三
【单选题】My parents and I_______ interested in films. _______ often go to the cinema.
A.
are both, They
B.
are all, We
C.
are both, We
D.
are all, They
【单选题】25度时,要使电池Na(Hg)(a1)∣Na+(aq)∣Na(Hg)(a2)成为自发电池,则必须让两个活度的关系为()
A.
a1 a2
B.
a1=a2
C.
a1 a2
D.
a1、a2可任意取值
【简答题】One year, my school report made my parents angry. On Christmas Eve, all the presents were stolen, along with our TV. My parents told me that there were no presents because Santa was very angry with my...
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