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问题 单项选择题

液态镶嵌模型的核心点是( )

A．脂质双分子层为膜的基架
B．蛋白质双分子层为膜的基架
C．单糖双分子层为膜的基架
D．核糖双分子层为膜的基架
E．胆固醇双分子层为膜的基架

答案

参考答案：A

单项选择题

对于ASCII码在机器中的表示，下列说法正确的是

A．使用8位二进制代码，最右边一位是0

B．使用8位二进制代码，最右边一位是1

C．使用8位二进制代码，最左边一位是0

D．使用8位二进制代码，最左边一位是1
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单项选择题

Woman: Can you tell me when I can leave here, doctor I have some important business to attend to.
Man: That depends on how your condition reacts to our treatment. You may leave as soon as the bleeding stops. I think that will take a couple of days.
Question: What does the doctor mean().

A. The patient must receive treatment regularly.

B. The patient can’t leave the hospital until the bleeding stops.

C. The patient’s husband can attend to the business in her place.

D. The patient must take a good rest and forget about her business.
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