Lisa is tired all the time. She shouldn't go to bed so late. If she didn't go to bed so late, she _______ tired all the time.
A. will not be
B. wouldn't be
C. is not
D. would be
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下面关于赋值运算符'='的有关说法正确的是()。
A. 运算符'='是判断符号两边的值是否相等。
B. 对于整型变量a,语句:a=a+1;是不正确的。
C. 对于整型变量a,语句a=1.5;是将1赋给变量a。
D. 对于整型变量a,和双精度变量b;语句a=b;是有语法错误的。