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【单选题】
A （） pump is that where the volume of the pump chamber is alternately increased to draw the liquid in and then decreased to force the liquid out.A.
injector
B.
positive displacement
C.
centrifugal
D.
centripetal
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反馈参考答案：
举一反三
【简答题】to apply ____ 2.to fill in ____ 3.to attend ____ 4.to work ____ 5.to shortlist ____ 6.to advertise ____ 7.to take ____
【单选题】Nonverbal messages take up _____ of human communication, but verbal communication takes up ____.
A.
65%; 35%
B.
80%; 20%
C.
35%; 65%
D.
50%; 50%
【简答题】翻译:take a break and check your messages
【简答题】What happens as we take ______ these contradictory but explicit messages?
【简答题】Take notes and write brief and clear messages according to the following voicemail messages.
【单选题】My boss asked me to answer the phone, to take all messages, and ______ some letters.
A.
to type
B.
typing
C.
type
D.
typewrite
【简答题】What happens as we take in these contradictory but explicit messages?
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