在各地区的公路总里程中,中部地区与西部地区的高速公路所占比重之比是:
A. 3:2
B. 20:9
C. 10:3
D. 2:3
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上海的温差是:
A. 3
B. 4
C. 5
D. 6
The second book was______by August 1952, but two years later, the end was still nowhere in
A. completed
B. to complete
C. to have completed
D. to have been completed
高速公路的里程最少的是:
A. 山东
B. 四川
C. 河北
D. 河南
每月喝1箱鲜奶的比率同每月喝2箱鲜奶的比率合计为:
A. 79.9
B. 70.9%
C. 38.8%
D. 32.1%