不定项选择题:下列关于亚麻粉尘的爆炸危害和后果的说法,正确的有( )。 题目分类:安全生产事故案例分析 题目类型:不定项选择题 查看权限:VIP 题目内容: 下列关于亚麻粉尘的爆炸危害和后果的说法,正确的有( )。 A.粉尘浓度越大,爆炸威力越大 B.粉尘分散度越小,爆炸威力越大 C.爆炸能量与粉尘活性有关 D.爆炸能量与粉尘粒度无关 E.爆炸产生的后果与厂房结构有关 参考答案: 答案解析:
We don't understand the passage _______there are few new wor We don't understand the passage _______there are few new words in it.A.Because B 分类:安全生产事故案例分析 题型:不定项选择题 查看答案
We all went to the park,_______ we enjoyed ourselves very mu We all went to the park,_______ we enjoyed ourselves very much.A.or B.But C.And 分类:安全生产事故案例分析 题型:不定项选择题 查看答案
It is much _______ to go up the hill than to come down. It is much _______ to go up the hill than to come down.A.hard B.harder C.hardest 分类:安全生产事故案例分析 题型:不定项选择题 查看答案
What does the woman suggest the man do? What does the woman suggest the man do?A.Go to work. B.Take a rest. C.See a doct 分类:安全生产事故案例分析 题型:不定项选择题 查看答案