皮皮学，免费搜题
登录
搜题
【多选题】
管道运输的优点有以下哪几点A.
管道能够安放在或水下
B.
是运输原油和天然气的一种经济的方式，尤其是体量很大时。
C.
安全
D.
速度快
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The chief justice of the United States presides over the Supreme Court during oral arguments and in conferences ______.
A.
of which decisions concern
B.
have important decisions
C.
that important decisions
D.
concerning important decisions
【单选题】— This is the first time I ______ with you. — It's time that you ______ an end to this silly argument. [ ]
A.
argue; put
B.
have argued; put
C.
argued; should put
D.
have argued; will put
相关题目：