皮皮学，免费搜题
登录
搜题
【单选题】
以下烯类单体聚合特征规律中正确的是( )。I.能形成聚合物的主要是乙烯、大多数单取代乙烯和1.1-二取代乙烯(取代基体积不能太大); II.1,2二取代乙烯一般不能均聚合; III.大多数烯类单体都有共轭效应,能进行自由基聚合,只有少部分进行离子聚合;IV.有些单体可以进行自由基、阴离子和阳离子聚合。A.
I、III、IV
B.
II、III、IV
C.
I、 II、III
D.
I、II、III、IV
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】172 Fixed-price and incentive-type contracts place responsibility for performance and financial risks associated with delay or non-performance on the:
A.
Buyer
B.
Third party
C.
Contractor
D.
All of the above
E.
None of the above
【单选题】Fixed-price and incentive-type contracts place responsibility for performance and financial risks associated with delay or non-performance on the:
A.
Buyer
B.
Third party
C.
Contractor
D.
All of the above
E.
None of the above
【单选题】The bidders shall furnish a performance bond () than 2% of the total bid price.
A.
not lest
B.
no more
C.
not much
D.
no less
相关题目：
参考解析：
知识点：
题目纠错 0
发布
