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【简答题】
精馏是利用混合物各组分 的差异来实现分离的。
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反馈参考答案：
举一反三
【单选题】the answer to Q3___________
A.
The woman is from Italy
B.
The woman prefers Italian food to Chinese food
C.
The mand likes seafood best of all
D.
The man doesn't care much for Kearan or Japanese food
【简答题】Write down your answer to Q15.
【简答题】Write down your answer to Q13.
【单选题】the answer to Q1_____
A.
Husband and wife
B.
Colleagues
C.
Good friends
D.
Brother and sister
【单选题】the answer to the Q2________
A.
What place they'd talking about?
B.
What kind of food they like?
C.
Where to eat?
D.
What to eat?
【单选题】During the Q&A, how to answer the questions asked?
A.
Try to give perfect answers.
B.
Answer the questions on point and never get off the topic.
C.
Respond to the questions with whatever comes into my mind.
D.
Interrupt the questioner when you catch the question.
【单选题】If you include a photo in your application while not asked for , an employer can assume you rely on your looks.
A.
求职信通常需要附一张照片，老板会因为看到过你的照片而对你产生印象。
B.
虽然未要求在求职函中附照片，但你还是附了照片，老板就会认为你可靠。
C.
虽没要求，如果你还是在求职信中附了照片，雇主会认为你想靠颜值取胜。
【单选题】适合于使用红外传感器进行测量的被测物理量是( )
A.
转速
B.
温度
C.
厚度
D.
加速度 红外传感器是利用外敏感器件测得红外光的变化以确定待测非电量 红外光器件分为量子型和热释电型两类
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