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【简答题】
蓄电池在放电过程中,电解液中的 被消耗,生成了 在溶液中,所以电解液密度不断下降。
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反馈参考答案：
举一反三
【单选题】Se trata ___ una conferencia ____mucha importancia. De modo que hacen falta intérpretes más profesionales que los que tenemos ahora.
A.
a, con
B.
de, con
C.
de, de
【单选题】_____ you think that your parents are mean-spirited at times, loving your parents is a normal and satisfying part of life.
A.
Even if
B.
Now that
C.
As though
D.
In case
【单选题】Though your parents probably meant your name to last a lifetime, remember that the hopes and dreams they cherished when they chose it may not match yours. If your name no longer seems to【B1】______you,...
A.
accord
B.
surprise
C.
fit
D.
adjust
【判断题】Se trata de una carta de amor escrita por Lewis a una niña llamada Gertrude.
A.
正确
B.
错误
【单选题】you had better drop your parents a ________ in case (以防)they are worrying about you.
A.
message
B.
news
C.
letters
D.
line
【简答题】A．Did you argue with your parents? B．But your parents are just worried about you. C．That's a good idea. D．Now I feel very sad. E．What should I do now? F．What's the mat...
【简答题】分段函数的特点:当自变量取不同范围时,函数值的计算表达式是________的。
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