【单选题】S1: I'd like to know how many tons of heavy oil there are left on board and how many tons of diesel oil and lube oil. S2: Now we have 280 tons of heavy oil, 110 tons of diesel and 26 tons of lube oil....
【简答题】六、注意安全,不准跨越防护栏杆,不准攀爬树木。
【单选题】当你的情绪状态对学习和生活产生负面影响时,应该怎样做呢?( )