问题
单项选择题
爆炸极限分为（）三种。
A、爆炸极限、爆炸温度极限、爆轰极限
B、爆炸极限、爆炸浓度极限、爆炸温度极限
C、爆炸极限、爆炸浓度极限、爆轰极限
D、爆炸温度极限、爆轰极限、爆震极限
答案
参考答案：A
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爆炸极限分为（）三种。
A、爆炸极限、爆炸温度极限、爆轰极限
B、爆炸极限、爆炸浓度极限、爆炸温度极限
C、爆炸极限、爆炸浓度极限、爆轰极限
D、爆炸温度极限、爆轰极限、爆震极限
参考答案：A
Ming Ming and Lily are in the same school, 1 they are not in the same class. They go 2 school on weekdays (工作日，平时). 3 school, Ming Ming and Lily often play games with 4 friends. Classes begin 5 eight in the morning. Now Ming Ming and Lily are in their classrooms. They listen to their 6 . Ming Ming studies English in the first class. His teacher talks 7 them in English. Lily 8 a Chinese class. Her teacher talks 9 good articles (文章). They study hard. They love their teachers and they like their 10 .
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