皮皮学，免费搜题
登录
搜题
【多选题】
室内给水系统按其用途可以分为( )。A.
生活给水系统
B.
生产给水系统
C.
消防给水系统
D.
医疗给水系统
E.
消毒给水系统
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】The teacher told his student to make the most of the opportunities ___hand.
A.
in
B.
of
C.
at
D.
on
【单选题】1,3—戊二烯经臭氧化,在锌存在下水解,可得到哪一种产物?
A.
HCHO + OHCCHO+CH2CHO
B.
HCHO + HOOCCH2COOH
C.
HCHO + CH3COCHO
D.
CH3COCHO + CO2 + H2O
【单选题】The teacher told his students that the earth _____ round the sun. [ ]
A.
go
B.
went
C.
goes
D.
had gone
【单选题】The teacher told his students to make the most of the opportunities ( ) hand.
A.
on
B.
at
C.
to
D.
by
【单选题】The teacher told his class that the light ___ faster than the sound.
A.
travel
B.
traveled
C.
travels
【单选题】The teacher told his students that the earth___________round like a ball.
A.
be
B.
is
C.
had been
D.
Was
【单选题】1,3-戊二烯经臭氧化,在锌存在下水解,可得到哪一种产物?
A.
HCHO + OHCCHO+CH3CHO
B.
HCHO + HOOCCH2COOH
C.
HCHO + CH3COCHO
D.
CH3COCHO + CO2 + H2O
【简答题】用于衡量柱效的参数
相关题目：
参考解析：
知识点：
题目纠错 0
发布
