安全气囊的可靠寿命一般约为（）年。
A、7
B、8
C、9
D、10
参考答案：D
The president was so young that he was ____ to some of his employees. [ ]
A. senior
B. junior
C. older
D. experienced
下面哪个语句会产生编译错误 ( )
A) float F=4096.0F； B) double D=4096.0；C) byte B=4096； D) char C=4096；
