* * 党的先进性归根到底要看( )。
A.党在推动历史前进中的作用
B.党能否走在时代前列
C.党能否在指导思想上与时俱进
D.党能否代表最广大人民的根本利益
参考答案:A
The major goal of USB was to define an external expansion bus which makes adding (71) to a PC as easy as hooking up a telephone to a wall-jack. USB 2.0 is an evolution of the USB 1.1 (72) , providing a higher performance interface.
A.peripherals
B.outside
C.inside
D.beside
敌敌畏在()溶液中分解。
A.弱酸性
B.酸性
C.中性
D.碱性