阳离子聚合的单体是()
A、氯乙烯
B、MMA
C、异丁烯
D、丙烯腈
参考答案:C
32.---Honey, which movie should we watch tonight?
---I don’t mind which movie it is______there’s popcorn and soda.
A.as if
B.now that
C.as long as
D.in order that
发动机起动后仪表板上(如图所示)亮表示什么?()
A.油箱内燃油已到最低液面
B.发动机供油系统出现异常
C.发动机点火系统出现故障
D.燃油泵出现异常或者故障