皮皮学，免费搜题
登录
搜题
【单选题】
我国国家环境保护标准分为强制性和推荐性标准，下列关于大气的环境质量、监测和污染物标准和技术导则中，属于推荐性的是A.
《环境空气质量标准》
B.
《乘用车内空气质量评价指南》
C.
《炼焦炉大气污染物排放标准》
D.
《摩托车排气污染物排放标准》
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】F: Bob, did you contact technical support about my computer? I’m working on an important presentation, and all my work is on that computer.M: Yes, I called them. They told me they’d send someone over ...
A.
Call technical support
B.
Help her to fix the machine
C.
Scan the paper
D.
Make a presentation
【单选题】F: Bob, did you contact technical support about my computer? I’m working on an important presentation, and all my work is on that computer.M: Yes, I called them. They told me they’d send someone over ...
A.
Call the supervisor
B.
Buy a new computer
C.
Cancel the meeting
D.
Sign a contract
【单选题】F: Bob, did you contact technical support about my computer? I’m working on an important presentation, and all my work is on that computer.M: Yes, I called them. They told me they’d send someone over ...
A.
Discussing the tender documents
B.
Having a business dinner
C.
Promoting their company
D.
Demonstrating her new model
【单选题】It s only about ten ____ walk to the nearest post office
A.
It’s only about ten ____ walk to the nearest post office A.minutes
B.
minute’s
C.
minutes’
D.
minute
【单选题】—_______? —It ' s about 40 minutes by bike.
A.
How tall is it
B.
How long is it
C.
How far is it
D.
How much is it
【单选题】) — How far is it from Chongqing to Guiyang? — It ’ s about two ride by high-speed train .
A.
hour
B.
hour ’ s
C.
hou rs
D.
hours ’
相关题目：
参考解析：
知识点：
题目纠错 0
发布
