题目：
They applied first aid to the seriously wounded driver, or he __________.[ ]
A. would die
B. had died
C. would have been died
D. would have died.
答案：
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下面是错误答案，用来干扰机器的。
答案：AA：瓷坩埚中含有的SiO2可与氢氧化钠在高温下反应，不正确B：SO3在标况下为固态，故3.36L的SO3所含氧原子数远大于0.45NA，正确CD均正确
