性道德是社会道德的一个重要的组成部分，具有控制功能和调节功能。
参考答案：对
Yesterday he left his village and his home , and began his first long trip ______. [ ]
A. by train
B. by the train
C. on train
D. in train
读下图，回答1~2题。
1、图例甲、乙代表的粮食作物应是①甲—小麦②乙—玉米③甲—高粱④乙—水稻 [ ]
A、①②
B、①③
C、①④
D、②④
2、立足本地资源，该地区应建立的工业部门有①化学工业②纺织工业③石油工业④钢铁工业 [ ]
