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【多选题】
下列物质中不属于电解质的是A.
铝
B.
碳酸
C.
盐酸
D.
甘油
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皮皮学刷刷变学霸
举一反三
【单选题】______ I saw the machine, I could not have imagined how efficiently it works.
A.
But for
B.
Because
C.
But that
D.
If
【单选题】--------Have you asked somebody to repair the machine? --------Oh, sorry, I forgot it. I _________for an engineer at once.
A.
am going to send
B.
would send
C.
have sent
D.
will send
【单选题】I developed very slowly and it took nearly two hundred years I was built as an analytical machine by Charles Babbage.
A.
before
B.
after
C.
long
D.
short
【单选题】The washing machine ___ last Wednesday works well.
A.
I bought
B.
I bought it
C.
which I buy
D.
that I bought it
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