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【单选题】
提取时,一般温度应控制在( )A.
提取的沸点或接近沸点
B.
100℃
C.
100℃以下
D.
100℃以上
E.
200℃以下
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举一反三
【单选题】Questions 26 to 30 are based on the following passage.
Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten thro...
A.
agree that the calories in a small piece of pastry can be difficult to work off by exercise
B.
partially believe diet plays a supporting role in weight reduction
C.
are not fully convinced that dieting can help maintain one’s new weight
D.
are not sufficiently informed of the positive role of exercise in losing weight
【简答题】Fill in the blanks with appropriate articles: ( a, the, /) Captain Ben Fawcett has bought (1)____ unusual taxi and has begun (2) ____ new service. (3)____ 'taxi' is a small Swiss aeroplane called a 'P...
【简答题】This wonderful plane can carry seven __________. Captain Fawcett's first passenger was a doctor who __________ from Birmingham to a lonely village in the Welsh mountains. Since then, Captain Fawcett h...
【单选题】( )35.在客人准备点菜时,服务员应立即走上前询问:“______”
A.
您可以点菜了吗？
B.
我可以为您点菜了吗？
C.
您现在想点菜吗？
D.
现在可以点菜吗？
【简答题】犀象之器不为玩好 犀象之器:
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