问题
选择题
—Is the cat _________ the wall?
—No, it isn't. It's _________ the door. [ ]
A. next to , under
B. on , on
C. next to , behind
D. in , behind
答案
答案:C
—Is the cat _________ the wall?
—No, it isn't. It's _________ the door. [ ]
A. next to , under
B. on , on
C. next to , behind
D. in , behind
答案:C
读“我国能源调运”图,回答。(15分)
(1)西电东送工程中,全国有北、中、南三线,请说出北线与南线各主要依靠何种能源产生巨大的电能输出,电力各输往哪一主要工业区。(4分)
线路 | 依靠能源 | 输往工业区 |
北线 | ||
南线 |
(3)简要评价南水北调东线调水方案及意义(5分)
(4)四大工程建设有利于我国东西互补、南北共济、资源共享,请写出我国水资源、能源和经济发展水平的地区差异。(3分)
水资源分布的南北差异: ;
能源供需的东西差异: ;
经济发展水平的东西差异: 。