【单选题】执行以下语句后a、b的值分别为()。 int a,b,c; a=b=c=1; ++a||++b&&++c;
【单选题】descent
A.
To continue descent by ATC instruction.
B.
To decide how to fly by himself.
C.
To descend immediately.
D.
To decide when to descend by himself.
【单选题】化合物:①CH 3 CH==CHCH 2 Br,②CH 3 CH 2 CHBrCH 3 ,③CH 2 ==CHCH 2 CH 2 CH 2 Br,④CH 3 CH==CBrCH 3 ,卤原子的活性由强到弱顺序排列正确的是( )。
【单选题】执行以下语句后a、b的值分别为( )。 int a,b,c; a=b=c=1; a--||++b&&++c;
【判断题】高技术与军事高技术的内涵一致,没有任何区别。
【单选题】descent
A.
It will descend to 8900 meters after 50 miles.
B.
It will enter into a radar blind area.
C.
It will lose radio signal soon.
D.
It will report position after 50 miles.