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【简答题】
普通性转导的基本要求是具有能偶尔识别宿主DNA的包装机制并在宿主基因组完全降解以前进行包装，它可能出现的三种后果是形成转导子、___和___。
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反馈参考答案：
举一反三
【单选题】0ne of the reasons why the number of kidney donors has risen is that one is better off with one kidney instead of two．
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】汽车行驶平顺性与（）、（）、（）的结构和特性有关。
【单选题】What can be said about the woman?
A.
She is a resident in Liverpool.
B.
She likes London better than Fendale.
C.
She has stayed in several cities.
D.
She is a marketing manager.
【单选题】学生A说，车轮与轮胎会影响汽车行驶的平顺性;学生B说，车轮与轮胎会影响汽车行驶的操纵稳定性。他们说法正确的是()。
A.
只有学生A正确
B.
只有学生B正确
C.
学生A和B都正确
D.
学生A和B都不正确
【单选题】According to the author，a pegged system of foreign exchange______．
A.
is efficient
B.
is better than a floating system
C.
does change from day to day
D.
does not fluctuate from day to day
【单选题】_____ a country is, _____ the people's life will be. [ ]
A.
The rich; the good
B.
The richer; the better
C.
The richer; good
D.
Richer; better
【简答题】Most American children eat potatoes. But many children don't know which part of the potato is the best for food. Take a knife and cut a slice (薄片) of potato from the middle as thin as paper. Hold the ...
【单选题】The information passed on by word of mouth is important because____.
A.
it is better than that found through any other source
B.
it helps you find some of the best housing never advertised
C.
the final year students always offer better information
D.
the landlords have little valuable information
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