党委领导不是代替而是促进和保证政府领导的顺利实现。 ( )
参考答案：对
跳跃运动的腾起角，是由（）与（）的比例关系决定的。
The more ______ people drive, the ______ traffic accidents there ill be. [ ]
A. careful; less
B. careful; fewer
C. carefully; fewer
D. carefully; more
