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【单选题】
下列关于挥发油说法中不正确的是A.
挥发油，又称精油
B.
挥发油是一类挥发性油状成分
C.
挥发油多具有芳香气味
D.
挥发油与水即可混溶
E.
挥发油可随水蒸气蒸馏
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【简答题】说明EMP—TCA途径和PPP途径的特点及生理意义。
【单选题】When I talked with my grandma on the phone,she sounded weak,but by the time we up, her voice had been full of life. [ ]
A.
were hanging
B.
had hung
C.
hung
D.
would hang
【单选题】The townspeople held a celebration when work on the ______ of the ancient building had been completed.
A.
re-establishment
B.
restoration
C.
reproduction
D.
reparation
【简答题】Passage Four：Questions 26 to 30 are based on the following passage.We can see how the product life cycle works by looking at the introduction of instant coffee. When it was introduced, most people did...
【简答题】说明EMP-TCA途径和PPP途径的特点及生理意义。
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