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 statemewe-en,z 0+n8lw3 kcno:ns9 wpnt a:n-qeu yk j4psole +8pu4t5o 6bout a systems 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 rect8+ vo wt0i2jafangles, often with the name of the storage written in it. w02+8joaitf v
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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