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【判断题】
线粒体和叶绿体都具有环状DNA及自身转录RNA与转译蛋白质的体系。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】请填写英文。 The name of inside name and address is the name of ( ).
【简答题】The name of inside name and address is the name of ( ).
【单选题】听力原文：M: Let me see. I have printed my family name, first name, date of birth, and address. Anything else? W: No. That' s all right. We' ll fill in the rest of it if you just sign your name at the bott...
A.
Having an interview.
B.
Talking with his friend.
C.
Filling out a form.
D.
Asking for information.
【多选题】The ways in which you make your initial contact and an appointment to conduct business can range from a () to () or () or () .
A.
brief telephone call
B.
writing a formal letter of request
C.
the use of a “go-between”
D.
emissary
【单选题】“ Inside Name and Address ” refers to ______
A.
The sender ’ s name and address
B.
The receiver ’ s name and address
C.
Neither of the above
D.
Either A or B
【单选题】假定客户关系为KH(KHH，NAME，ADDR)，其中KHH为客户号，NAME为客户名，ADDR为客户地址。产品关系为CP(CPH，PNAME，GG)，其中CPH为产品号， PNAME为产品名，GG为产品规格。简化的订单关系为DD(KHH，CPH，DJ，SL)，其中 KHH为客户号，CPH为产品号，DJ为单价，SL为数量。要查找某具体客户订购了某种具体产品的数量及单价，将涉及关系( )。
A.
KH
B.
KH、DD
C.
CP、DD
D.
KH、CP、DD
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