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【单选题】
下列各组物质，用Cu (OH)2能鉴别的是A.
乙醇和乙醚
B.
乙醇和醇
C.
醇和丙三醇
D.
甲醇和乙醇
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皮皮学刷刷变学霸
举一反三
【单选题】(2017·河北)Mr. Liu is a really nice person-the________ person I know.
A.
nicer
B.
nicest
C.
happier
D.
happiest
【单选题】Mr. Liu is a really nice person --- the ________ person I know.
A.
good
B.
best
C.
nicest
D.
better
【单选题】Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The ...
A.
Shanghai.
B.
New York.
C.
London.
D.
Sydney.
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