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【单选题】
以下哪一类型的细菌遗传交换,必需以直接的细胞与细胞的接触为前提( )?A.
接合
B.
转导
C.
转化
D.
以上所有
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反馈参考答案：
举一反三
【简答题】F ind out the topic sentence (主题句) of paragraph 3.A. Autumn is a very busy season. B. Spring is from March to May. C. Summer comes after spring. D. It's very cold in winter.
【单选题】“和平统一、一国两制”是解决台湾问题的基本方针,( )是两岸关系的政治基础。
A.
以中华民族整体利益为重
B.
一个中国原则
C.
对历史、对人民负责的态度
D.
两岸和平发展
【简答题】F ind out the topic sentence (主题句) of paragraph 4.A. It's cold in winter. B. Summer comes after spring. C. Spring is from March to May. D. Autumn is a very busy season.
【单选题】F ind out the topic sentence(主题句) of paragraph 3.
A.
Autumn is a very busy season.
B.
Spring is from March to May.
C.
Summer comes after spring.
D.
It's very cold in winter.
【简答题】A．up B．into C．in D．out
【单选题】一般总平面图使用的比例尺寸是( )。
A.
0.7361111111111112
B.
0.11111111111111112
C.
0.04861111111111111
D.
0.042361111111111106
【简答题】A．up B．into C．in D．out
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