凝点较高的渣油其()含量较高。
A、胶质、沥青质
B、芳烃
C、烷烃
D、环烷烃
参考答案:A
I am afraid we cannot include me item you suggest, as it does not ____ with the rest of the programme. [ ]
A. come down
B. keep up
C. get on
D. fit in
下图为某区城经纬网图。读图完成下列问题。
当晨线经过②③两地时,下列说法不正确的是()
A.此时太阳直射东经110°经线
B.地球公转位于远日点附近
C.此时全球日出东南,影朝西北
D.潘帕斯草原一片枯黄