皮皮学，免费搜题
登录
搜题
【单选题】
__________ transport is the transportation of goods through a pipe. Most commonly, liquid and gases are sent, but pneumatic tubes that transport solid capsules using compressed air are also used.A.
Air
B.
Rail
C.
expressway
D.
ship
E.
Pipeline
F.
tunnel
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】转向系可按转向能源的不同分为机械转向系 和( ) 两大类。
【单选题】________ the meeting himself gave them a great deal of encouragement.
A.
The president will attend
B.
The president to attend
C.
That the president attended
D.
The president attending
相关题目：
参考解析：
知识点：
题目纠错 0
发布
