中国第一个近代化钢铁厂的创办者是（）
A.曾国藩
B.李鸿章
C.左宗棠
D.张之洞
参考答案：D
下列有机物命名正确的是[ ]
A.3-甲基-2 -丁烯
B.2-乙基丁烷
C.间二甲苯
D.2-丙醇
Sally likes ice cream and her brother also _____ it. [ ]
A. don't like
B. likes
C. doesn't like
D. like
3-甲基-2 -丁烯 
2-乙基丁烷
间二甲苯
2-丙醇