各级领导干部都是人民公仆,没有搞特殊化的权利。
参考答案:对
Mike is ______, but his brother Sam is much ______.
A.heavy; heavier
B.heavy; heaviest
C.heavier; heaviest
D.heavier; the heaviest
ZG80-1500型电力机车在串并联转换过程中有()台电空接触器参与转换。
A.7
B.8
C.9
D.11