皮皮学，免费搜题
登录
搜题
【单选题】
下列化合物中不能发生加聚反应的是：（）A.
CF2＝CF2
B.
CH3CH2OH
C.
CH2＝CHCl
D.
CH2＝CH—CH＝CH2
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】There is a new problem involved in the popularity of private cars ___________ road conditions need _____________.
A.
when; improving
B.
which; to be improved
C.
where; improving
D.
that; to be improved
【简答题】下列程序段的输出结果是【 】。 include＜iostream.h＞ void main() {int i=10，sum=0； do { sum=+sum+i； i=i-2; }while(i＞＝2)； cout＜＜sum＜＜end1； }
【单选题】There is a new problem involved in the popularity of private cars_______ road conditions need to be improved.
A.
that
B.
which
C.
where
D.
when
【单选题】There is a new problem involved in the popularity of private cars __________ road conditions require __________.
A.
that ... improving
B.
which...to be improved
C.
where ...improving
D.
when...improving
相关题目：