The authorities promise to introduce an effective health service so that people do not need to spend too much money when they _____.
A. fall silent
B. fall asleep
C. fall behind
D. fall ill
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Thousands of people were _____ at yesterday’s strike, which caused great confusion.
A. in advance
B. in attendance
C. in turn
D. in charge
They got to know each other in their 20s and _____ they are still in close touch with each other.
A. on that day
B. off the day
C. to this day
D. at this day
{.若程序中定义了以下函数 double myadd(double a,double B) { return (a+B);} 并将其放在调用语句之后,则在调用之前应该对该函数进行说明,以下选项中错误的说明是:
A. double myadd(double a,
B. ; double myadd(double,double);
C. double myadd(double b,double A);
D. double myadd(double x,double y); }
{.以下叙述中不正确的是:
A. 在C中,函数中的自动变量可以赋初值,每调用一次,赋一次初值.
B. 在
C. 中,在调用函数时,实在参数和对应形参在类型上只需赋值兼容. 在C中,外部变量的隐含类别是自动存储类别.
D. 在C中,函数形参可以说明为register变量. }