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【多选题】
下列几种元素中，哪种元素是在近现代被发现并使用的A.
氢
B.
氧
C.
氟
D.
金
E.
锡
F.
硫
G.
铅
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反馈参考答案：
举一反三
【单选题】—Jack, I'll do the washing-up. Would you please do the floors?
A.
Yes, I'll do.
B.
No, I don't.
C.
Yes, sure.
D.
No, not at all.
【单选题】—Do you mind if Charlie borrows a few hundred dollars from you? —I’m afraid I do. I’ll be glad to lend money to ________ but Charlie.
A.
someone
B.
everyone
C.
anyone
D.
no one
【简答题】--Do you have clothes _________ ? I'll wash them for you. --No, thank you. I will wash them myself.
【多选题】辩证的否定观与形而上学的否定观的对立表现为______
A.
否定是事物的自我否定还是外力作用的结果
B.
否定是联系的、发展的环节还是否定就是否定一切
C.
否定是必然的还是偶然的
D.
否定是亦此亦彼的“扬弃”还是非此即彼的“抛弃”
【单选题】--- How long do you think it’ll be ______ I can go back to work? --- Well, you’ll be feeling better by next weekend.
A.
before
B.
when
C.
until
D.
than
【单选题】— How long do you think it'll be _____ I can go back to work? — Well, you'll be feeling much better by next weekend. [ ]
A.
before
B.
when
C.
until
D.
that
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