皮皮学，免费搜题
登录
搜题
【多选题】
排水系统按照所接收的污废水的性质不同可分为（）。A.
生活污水
B.
内部污水
C.
雨水管道
D.
工业废水
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
【单选题】It's important for us to old and young people. [ ]
A.
look at
B.
look up
C.
look for
D.
look after
【单选题】It’s not right to ______ the poorer people of the world.
A.
look up
B.
look down
C.
look down on
D.
look up to
【简答题】People look up word in it.
【单选题】It's wrong of us to ________ deaf people. [ ]
A.
look after
B.
look down on
C.
look for
D.
look at
【简答题】完形填空。 Mr. Smith is our English teacher. He is about 1.76 meters 1 . He has black hair and two big 2 . He works very hard in the school. Every student likes him very much. He gets up early every day. T...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
