什么是华达呢？
参考答案：
又名轧别丁，手感滑糯而实，质地紧密且弹性，布面光洁平整色柔和自然
.
The subway timetables are well planned in Norway. Seldom ________ wait very long.
A．one does have to
B．does one have to
C．one has to
D．has one to
（）：知识技能和解决问题的能力在此类岗位中与应负责任并重
