问题
单项选择题
危险化学品安全技术
储油罐着火爆炸预防措施错误的是( )。
A.严禁穿铁钉鞋、带火种上罐,应使用防爆手电、工具
B.定期测试防雷接地网,接地阻值小于10Ω
C.阻火器必须良好
D.油罐区动(用)火,安全防火措施要到位
答案
参考答案:B
危险化学品安全技术
储油罐着火爆炸预防措施错误的是( )。
A.严禁穿铁钉鞋、带火种上罐,应使用防爆手电、工具
B.定期测试防雷接地网,接地阻值小于10Ω
C.阻火器必须良好
D.油罐区动(用)火,安全防火措施要到位
参考答案:B
完形填空。 | |||
I have an English friend at school. 1 name is Tom. He is eleven. 2 are not in 3 class. 4 we are in the same grade. He is in 5 , and I am in Class 2. 6 mother is a nice 7 . She comes from London. She teaches me 8 . She has big blue eyes and 9 blond hair. She often wears a pair of blue pants and white shoes. She is our friend, too. We like 10 very much. | |||
|