本题目来源于试卷: IB ESS Unit 1 Foundations of ESS，类别为 IB环境系统与社会
[单选题]
Identify the statement about apai gm1*.q+l0-s,u v9mr 4pt ewxsr1b systemi7c6z 0ij d.1midgbr,s diagram that is true.
A. Storages are drawn as rectangles.
B. Flows are shown with lines.
C. Flows show the movement of matter only.
D. The size of the rectangles does not matter.
参考答案: A
本题详细解析:
Storages are shown as rectangl6awti 9 do*4ives, often with the name of the storage written in iio6v a4itd 9*wt.
Option B is incorrect, as flows are shown with arrows which show where the flow goes to.
Option C is incorrect, as flows may show the movement of energy or matter.
Option D is incorrect, as the size of the rectangles may show how big the storage is. The size of the arrow may also indicate the size of the flows.
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