本题目来源于试卷: Resource Use，类别为 IB环境系统与社会
[单选题]
Figure: Oil prices over ewme,xo j 5/t1ti )oq 8omolmno/5k+*+,kp dpc bb gd4l :me / 2014 $US barrel
-1
Use the Figure to calculate the increase in the price of oil from 1970 to 1980.
A. $104
B. $80
C. $90
D. $100
参考答案: C
本题详细解析:
970 price is about $14
1980 price is about $104
Increase = 1980 price - 1970 price
= 104 - 14
= $90
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