According to the passage, what should be done to potentially harmful substances?
(A)They should be kept carefully. 
(B)They should be used randomly.
(C)They should be bought from a store. 
(D)They should be dumped.

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統計: A(594), B(106), C(130), D(51), E(0) #339601

詳解 (共 4 筆)

#3083132
該如何處置那些有潛在危害的物品1. 保持...
(共 44 字,隱藏中)
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#2648637
這個特定的規則是關於那些有淺在危險的物體...
(共 32 字,隱藏中)
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#1163776

There are also specific regulations about the way in which potentially harmful substances should be used and stored.

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#2476729
請問有人可以解釋一下嗎?
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