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问题 单项选择题

在真核生物复制过程中起校读、修复和填补缺口的DNA聚合酶是

A．DNA-polα
B．DNA-polβ
C．DNA-polγ
D．DNA-polδ
E．DNA-polε

答案

参考答案：E

口语交际，情景问答题

百度是全球最大的中文搜索网站。下面是它的徽标，公司通过形象的徽标可以让消费者记住公司主体和品牌文化。请写出该徽标的构成要素及其寓意，要求语意简明，句子通顺，不超过75个字。
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单项选择题

The client is advised by the physician to have mammography screening annually. Which of the following is the best measure to improve adherence with mammography screening

A．Making sure that the individual barriers to screening are minimized.

B．Emphasizing that mammography screening can prevent breast cancer.

C．Emphasizing that mammography screening is a low-cost approach to cancer prevention.

D．Informing the client that she is at high risk for breast cancer and needs to follow the physician's recommendation.
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