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【简答题】
※主要用来清洗碳酸盐、氧化铁垢,其残留物在高温条件下能够分解,因此电厂常常使用的酸是( )
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反馈参考答案：
举一反三
【判断题】“We specialize in this field for 12 years, with the strength of producing sneakers, which are superior quality with competitive price.”
A.
正确
B.
错误
【单选题】We specialize ____ all kinds of metals and are always ready to buy in large quantities.
A.
in
B.
from
C.
on
D.
at
【单选题】— ________ for the fire! — It's OK. I'll be careful enough. [ ]
A.
Look out
B.
Watch over
C.
Put out
D.
Light up
【简答题】人体内最大的子骨是( )。
【单选题】—Shall we call for a taxi? —OK. Let me _______ the phone number in Yellow Pages. [ ]
A.
look at
B.
look for
C.
look up
D.
look after
【单选题】以下对于股骨的描述，错误的是
A.
为人体内最长的长骨
B.
其长度约为人体高度的1/4
C.
大、小转子之间前面有转子间嵴
D.
股骨体略呈弓形向前
E.
股骨体后面有粗线
【单选题】— You must be more next time. — Ok, I'll do my homework as as I can. [ ]
A.
careful careful
B.
carefully carefully
C.
carefully careful
D.
careful carefully
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