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【单选题】
关于乳糖操纵子的作用方式 , 错误的是
A.
半乳糖与阻遏物结合使操纵子开放
B.
阻遏蛋白与操纵序列结合使操纵子关闭
C.
CAP-cAMP复合物与DNA结合促进RNA聚合酶的结合
D.
操纵子的转录产物是多顺反子
E.
操纵子的转录产物的反子
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参考答案:
举一反三
【单选题】I'm lucky to be in this school for my _____________Chinese course.
A.
four-month
B.
four months
C.
four-months
D.
four-months'
【单选题】关于语句 If x=1 Then y=1,下列说法正确的是____。
A.
x=1和y=1均为赋值语句
B.
x=1和y=1均为关系表达式
C.
x=1为关系式表达式,y=1为赋值语句
D.
x=1为赋值语句,y=1为关系表达式
【简答题】以“特百惠官网”为例 建立一个账户结构 ,其中包括推广计划,推广单元,关键词和创意,将结果以表格的形式展现, 以Word的形式上传任务结果 。
【单选题】Chinese cuisine is divided into four major styles according to the()
A.
locations
B.
climate
C.
ingredients
D.
Natural resources
【单选题】对于语句 If x = 1 Then y = 1 ,下列说法正确的是 。
A.
x = 1 和 y = 1 均为赋值语句
B.
x = 1 和 y = 1 均为关系表达式
C.
x = 1 为关系表达式, y = 1 为赋值语句
D.
x = 1 为赋值语句, y = 1 为关系表达式
【单选题】Besides Chinese Seals, there is a set of four books on traditional Chinese culture that have been published in English. The other three are _________.
A.
Chinese Sculpture, Chinese Calligraphy and Chinese painting
B.
Chinese Sculpture, Chinese Painting and Chinese Printing
C.
Chinese Painting, Chinese Sculpture and Chinese Paper Cutting
D.
Chinese Painting, Chinese Calligraphy and Chinese Porcelain
【多选题】Chinese brought to the west countries the four inventions including:
A.
Compass
B.
Gunpowder
C.
Paper-making technique and
D.
Printing technique
【单选题】关于语句If x=1 Then y=1,下列说法正确的是_____。
A.
x=1和y=1均为赋值语句
B.
x=1和y=1均为关系表达式
C.
x=1为关系表达式,y=1为赋值语句
D.
x=1为赋值语句,y=1为关系表达式
【判断题】Penglai Pagoda is the only religious tower among the four well-know ancient Chinese towers.()
A.
正确
B.
错误
【简答题】It is well known that gunpowder is one of the four inventions of the ancient Chinese people. (习惯译法)
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