转向架的摇枕吊愈长,横向性能愈差。
参考答案:错
软件维护是用户使用软件期间对其所进行的补充、修改和增强。可分为4类:完善性维护、校正性维护、适应性维护和______。
--- What sport do you like best?
--- Springboard diving (跳板跳水). _____ to dive into water from a high board!
A.What a fun is it
B.How fun it is
C.How a fun is it
D.What fun it is