使用推车式灭火器灭火,展开喷带时,注意喷带不能弯折或打圈。
参考答案:对
Look at the timetable. Hurry up! Flight 4026 ____ off at 18:20.
A.will be taken
B.took
C.takes
D.has taken
如果表达式x * y + z中,“ * ”是作为友元函数重载的,“+”是作为友元函数重载的,则该表达式还可为
A.operator+(operator*(x,,
B.operator+(operator*(x,,
C.operator*(operator+(x,,
D.operator+(operator*(x,)