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【简答题】
能将戊醛与以下苯甲醛、环戊酮和2-戊酮三种化合物区分开来的试剂是( )
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反馈参考答案：
举一反三
【单选题】We hope to enter___business relations___your firm.
A.
into,with
B.
with,into
C.
for,at
D.
with,at
【单选题】The loadline certificate of a ship registered in China is issued by ______.
A.
CCS
B.
MOC
C.
MSA
D.
PRC Customs
【简答题】view视图组件,如何实现横向和竖向排列?
【单选题】We hope to enter __ __ business relations __ __ your firm.
A.
into.., with
B.
with.., into
C.
/... at
D.
in...in
【单选题】We hope to enter into trade relations with you ______ canned foods.
A.
on the line of
B.
with the line of
C.
in the line of
D.
in business
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