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【单选题】
有关“”的叙述,哪一项是错误的A.
多为闭合环状的DNA
B.
具有自我复制的能力
C.
不能通过转导方式在细菌之间转移
D.
可在不同种属的细菌间转移
E.
并非为生命活动所必需
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反馈参考答案：
举一反三
【判断题】Time of Shipment refers to the time limit for loading the goods at the port of shipment. （ ）
A.
正确
B.
错误
【单选题】-What time is it? - ______? - I asked what time it was. [ ]
A.
What else
B.
What
C.
Pardon
D.
Ok
【单选题】What does the author suggest about how to keep a time log?
A.
The routine trifles in life should be disregarded.
B.
Details should be taken down as many as possible.
C.
Activities at work should be primarily recorded.
D.
There should be no more than 100 entries.
【单选题】– Do you know _____ this time yesterday? -- Sorry, I don’t know.
A.
what she is doing
B.
what was she doing
C.
what she was doing
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