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单选题
2.在非STE的例句中,安全指令给出的是注意, 但是如果了解氧气系统的话, 也应知道氧气会造成爆炸。
A
In the STE example, this safety description is given as a caution, but if you know about oxygen systems, you also know that oxygen can occur explosions
B
In the non-STE example, this safety instruction is given as a caution, but if you know about oxygen systems, you also know that oxygen can cause explosions
C
In the non-STE example, caution is given in this safety description. But if you know about nitrogen systems,you also know that nitrogen can cause flames,
答案解析
正确答案：B
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