动火作业单位应在()根据现场制订详细可行的动火方案,并提前办理好有关动火作业审批手续。
A、动火作业前
B、动火作业后
C、动火作业中
D、任何时间
参考答案:A
1吨的铁板和1吨棉花一样重.______.(判断对错)
根据中文或首字母在答卷纸上写出完整的单词。(每空1分,共10分)
I __1_ (相信)it’s very ___2__ (重要的)to have a healthy lifestyle. Usually I get up__3_(早),then I love to __4__(喝)a glass of milk. I __5_(离开) home at 6:30. I never __6__(乘)a bus to go to school, I always walk there although it takes me about__7__(四十)minutes to go to school, I do morning exercise__8__(一次)a day. It helps me to study__9___.(更好)and I hardly ever have a __10__(感冒). I really enjoy my life.