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【单选题】
根据细菌基因突变范围的大小，突变可分为A.
染色体畸变
B.
DNA序列改变
C.
DNA序列改变
D.
染色体畸变
E.
序列改变
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举一反三
【简答题】Young people are often unhappy when they are with their parents. They say that their parents don’t understand them. They often think their parents are too strict 41 t hem. Parents often find 42 diffi...
【简答题】Young people are often unhappy when they are with their parents. They 1 that their parents don’t understand them. They often think their parents are too strict 2 them. Parents often find 3 difficult t...
【单选题】According to the author, that does 'superparents' mean?
A.
They are super parents.
B.
They are strict with their children's academic performance.
C.
They care too much and have done too much for their children.
D.
This is what most parents have learnt to be parents.
【单选题】--How are your parents? --______.
A.
They are 40
B.
She is fine
C.
They are OK
D.
These are my parents
【简答题】A．They are the parents of young children. B．They are professional storytellers. C．The stories will help them improve their vocabulary. D．The stories are required for a course.
【简答题】Young people are often unhappy when they are with their parents. They say that their parents don’t 36 them. They often think their parents are too strict with them, and they are never given a 37 hand....
【简答题】Young people are often unhappy when they are with their parents，They 1 that their parents don’t understand them，They often think their parents are too strict with them. Parents often find it diffic...
【简答题】A．They are the parents of young children. B．They are professional storytellers. C．The stories will help them improve their vocabulary. D．The stories are required for a course.
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