柴油具有稳定性较强、（）较弱，易于保存和运输，危险性较汽油小等特点。
A.抗爆性
B.挥发性
C.燃烧性
D.黏度
参考答案：B
下列各化合物的命名中正确的是（ ）
A．CH2=CH－CH=CH21，3—二丁烯
B．对二甲苯
C．2—甲基—2—丙烯
D．2－乙基丙烷
The more I think about him, the more reasons I find for loving him___i diD.
A. as much as B. as long as C. as soon as D. as far as
对二甲苯
2—甲基—2—丙烯
2－乙基丙烷