The plane was to arrive 9:30, but was an hour late.
A.certain
B.likely
C.supposed
D.about
答案:C
命令的作用是( )。
A.可输出2个表达式的值
B.向用户提问的提示符
C.只能显示变量的值
D.从当前光标处显示表达式的值
曹操随身携带的宝剑是什么?