机动车发生故障不能行驶时,除白天应遵守的规定外,夜间应要()
A、开启前照灯、示廓灯、后位灯,并开启危险报警闪光灯
B、有专人看守
C、紧靠路边停放
参考答案:A
—Do you think people will live to be 200 years old?
—_________. [ ]
A. No, they aren't
B. No, they won't
C. No, they don't
D. No, they can't
Java对象串行化技术,主要是通过ObjectInputStream类和 【8】 类来实现的。