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【单选题】
在C语言中，函数fgets(str, n, fp)的功能是（ ）A.
将长度为n的字符串str中的内容写入fp所指文件中
B.
从fp所指文件中读取长度为n的字符串，存入str指向的内存空间
C.
从fp所指文件中读取n个字符串，存入str指向的内存空间
D.
从fp所指文件中读取长度不超过n-1的字符串，存入str指向的内存空间
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【简答题】多元体系中各组分的摩尔分数之和为( )
【单选题】Doctors are of the opinion that most people cannot live beyond 100 years, but a growing number of scientists believe that the aging process can be controlled. There are more than 12,000 Americans over...
A.
expected life span
B.
population control
C.
retirement benefits
D.
old-age problems
【单选题】Doctors are expected to be ______ and responsible.
A.
stimulating
B.
diverse
C.
virtuous
D.
instant
【单选题】Doctors are expected _______ at any hour of the day.
A.
calling
B.
to call
C.
being called
D.
to be called
【简答题】Doctors are generally expected to make their utmost effort when it comes to the lives of our own and our beloved ones.
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