【单选题】已有声明: float a = 1.23456; int b; 欲将a中的数值保留小数点后两位,第三位进行四舍五入,能实现该功能的表达式是( )。
A.
b = (int)(a*100 + 0.5), a = b/100.0
B.
a = (a*100+0.5) /100.0
C.
a = ((int)a*100 + 0.5)/100.0
D.
a = (a/100 + 0.5)/100.0
【单选题】以下属于中国传统节日的有()①春节②万圣节③端午节④七夕节⑤清明⑥复活节
【多选题】下面节日中不属于中国传统节日的有______ 。
【多选题】下面节日中属于中国传统节日的有______ 。
【单选题】若已有变量声明:float a;double b;若要给这两个变量输入数据,以下正确的语句是( )
D.
scanf(“%.2f%.3lf”,&a,&b);
【多选题】中国传统节日中,有一些节日的月数与日数相同,例如三月初三的上巳节,下列节日中属于这种情况的有()
【单选题】以下属于中国传统节日的有() ①母亲节 ②春节 ③万圣节 ④端午节 ⑤冬至 ⑥七夕 ⑦清明节 ⑧重阳节 ⑨复活节 ⑩元宵节
【单选题】Regeneration of Limbs Most people would agree that it would be wonderful if humans could regenerate limbs. These who have lost their arms or legs would be complete again. The day is still far off when...
A.
humans can never regenerate limbs.
B.
humans might be able to regenerate limbs in the future.
C.
human limbs may be regenerated on some animals first.
D.
regeneration of human limbs will soon become a reality.