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【判断题】
组分A和B的相对挥发度为1的混合溶液不能用普通精馏方法分离。
A.
正确
B.
错误
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参考解析：
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举一反三
【单选题】______ has ridden on a railway train knows how _______ another train flashes by when it is traveling in the opposite direction． [     ]
A.
Who; rapidly
B.
No matter who; rapid
C.
Those who; fast
D.
Whoever; rapidly
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【单选题】把党和国家的工作重点由以阶级斗争为纲转移到经济建设上来,是在党的( )提出来的。
A.
十一届三中全会
B.
1978年中央工作会议
C.
十一大
D.
十一届六中全会
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【单选题】______ has ridden on a railway train knows how ______ another train flashes by when it is traveling in the opposite direction.
A.
Anyone who; rapid
B.
Whoever; rapidly
C.
Anything that; rapid
D.
Whatever; rapidly
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【单选题】Could you tell me when _____? [     ]
A.
does the train leave
B.
will the train leave
C.
the train has left
D.
the train leaves
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【简答题】案例内容:P59 问题: (1)结合以上正反两个案例,谈谈为什么微笑服务是饭店员工所必备的职业素养? (2)微笑服务包含哪些丰富的精神内涵和微妙的情感艺术?
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【判断题】(判断题) 按照语言表达的形式我们可以把语言分成口头语言、书面语言、姿态语言和副语言四个类型。()
A.
正确
B.
错误
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【单选题】Look out! The train ( ).
A.
comes
B.
has come
C.
is coming
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【单选题】听力原文：(A) The train has fallen off the track. (B) A train is being repaired near the station. (C) The train has stopped to let cars cross the track. (D) A train is pulling into the station.
A.
B.
C.
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【单选题】Anyone who has ridden on a railroad train knows how rapidly another train【36】by when it is traveling in the【37】direction and conversely how it may look almost【38】when it is moving in the same directio...
A.
passes
B.
goes
C.
flashes
D.
moves
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【单选题】The train ____ here for ten minutes already. [     ]
A.
has been
B.
has come
C.
has stopped
D.
has gone
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【单选题】______ has ridden on a railway train knows how _______ another train flashes by when it is traveling in the opposite direction． [     ]
A.
Who; rapidly
B.
No matter who; rapid
C.
Those who; fast
D.
Whoever; rapidly
查看完整题目与答案
【单选题】把党和国家的工作重点由以阶级斗争为纲转移到经济建设上来,是在党的( )提出来的。
A.
十一届三中全会
B.
1978年中央工作会议
C.
十一大
D.
十一届六中全会
查看完整题目与答案
【单选题】______ has ridden on a railway train knows how ______ another train flashes by when it is traveling in the opposite direction.
A.
Anyone who; rapid
B.
Whoever; rapidly
C.
Anything that; rapid
D.
Whatever; rapidly
查看完整题目与答案
【单选题】Could you tell me when _____? [     ]
A.
does the train leave
B.
will the train leave
C.
the train has left
D.
the train leaves
查看完整题目与答案
【简答题】案例内容:P59 问题: (1)结合以上正反两个案例,谈谈为什么微笑服务是饭店员工所必备的职业素养? (2)微笑服务包含哪些丰富的精神内涵和微妙的情感艺术?
查看完整题目与答案
【判断题】(判断题) 按照语言表达的形式我们可以把语言分成口头语言、书面语言、姿态语言和副语言四个类型。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】Look out! The train ( ).
A.
comes
B.
has come
C.
is coming
查看完整题目与答案
【单选题】听力原文：(A) The train has fallen off the track. (B) A train is being repaired near the station. (C) The train has stopped to let cars cross the track. (D) A train is pulling into the station.
A.
B.
C.
查看完整题目与答案
【单选题】Anyone who has ridden on a railroad train knows how rapidly another train【36】by when it is traveling in the【37】direction and conversely how it may look almost【38】when it is moving in the same directio...
A.
passes
B.
goes
C.
flashes
D.
moves
查看完整题目与答案
【单选题】The train ____ here for ten minutes already. [     ]
A.
has been
B.
has come
C.
has stopped
D.
has gone
查看完整题目与答案