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Please choose the best answer and fill in the blanks from the following choices:silence continue delivered entail on behalf of3.The books __________ the traditional culture values of the country.

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Please choose the best answer and fill in the blanks from the following choices:silence continue delivered entail on behalf of4.We should ____________ to fight for our future.

Please choose the best answer and fill in the blanks from the following choices:silence continue delivered entail on behalf of5.He delivered an excellent speech _____________ the whole student.

下列不符合噬菌体的特性的是

A. 每个噬菌体都含有RNA和DNA
B. 主要成分是核酸和蛋白质
C. 严格宿主特异性
D. 通过细菌滤器
E. 抵抗力比细菌繁殖体强

溶原性细菌是指

A. 带有毒性噬菌体的细菌
B. 带有温和噬菌体的细菌
C. 带有前噬菌体的细菌
D. 带有R质粒的细菌
E. 带有
F. 因子的细菌

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