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【简答题】
请叙述烈性噬菌体的繁殖过程。
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举一反三
【单选题】Which of the sentences below best expresses the essential information in the highlighted sentence in the passage(Paragraph 2)? Incorrect choices change the meaning in important ways or leave out essen...
A.
Stability, a feature of the biological clock's period, depends on changeable factors such as temperature.
B.
A major feature of the biological clock is that its period does not change despite significant changes in the environment.
C.
A factor such as temperature is an important feature in the establishment of the biological clock's period.
D.
Biological activity is not strongly affected by changes in temperature.
【简答题】There are still many ways in which we can _______ the economic development of today’s developing nations.
【简答题】Conversation is the most ___1___ ( 社交 ) of all human activities. And it is an activity only of humans. However ___2____( 复杂 ) the ways in which animals communicate with each other, they do not ___3___...
【多选题】习近平总书记注重家庭、家教、家风,关于家庭、家教、家风,下列说法正确的是( )
A.
家庭是实现家庭美德与家风互动的中介环节,要通过注重家教来推动良好家风的传承和落实
B.
父母子女是家庭成员的主要构成者,也是家庭关系的核心
C.
良好的家风,对家庭成员的个人修养.品德操守等产生重要而积极的作用
D.
一个家庭的生活方式、文化氛围构成了家风
【简答题】某乳母，能量摄入量为2800kcal、蛋白质90g、维生素B10.8mg、维生素B21.7mg、尼克酸l8mg，该膳食可能会引起新生儿（ ）。
【单选题】Which of the following ways of product promotion is NOT mentioned in the text?
A.
Contacting possible customers by telephone.
B.
Advertising it on billboards.
C.
Using direct marketing mailshots.
D.
Advertising it on radio.
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