化工生产中的加氢裂化是在高温高压F进行的，加氢裂化装茸类型擞多。下列关于加氢裂化过程存在的危险和控制方法的说法，不正确的越()。
A. 氢气在高压下与钢接触，会提高钢的强段
B. 要防止油品和氢气的泄漏，以避免发生火灾爆炸
C. 加热炉要平稳操作，防止局部过热，烧穿炉管
D. 反应嚣必须通冷氢以控制温度
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风险识别与评估是商业银行内部控制的一个重要环节，在风险可接受时的正确做法是()。
A. 向上级汇报，做成风险评估报告
B. 要检测并定期评审，以确保其可持续接受
C. 将工作重点转移到风险不可接受领域
D. 对该风险点可在2年内予以免查
Why did the writer stop in front of the store？
A. He wanted to take some clothes to be cleaned.
B. He was thinking about his boyhood.
C. He was looking for a good place to eat.
D. He wanted to buy some fresh bread.
【B19】
A. It
B. This
C. That
D. He
"It's rat data but humans are mammals just like these animals are mammals." What does the
A. The experiments on the rats have nothing to do with humans.
B. The experiments on the rats are very important for animals.
C. The experiments on the rats are much the same on humans.
D. The experiments on the rats are much the same on other animals.
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