【单选题】Have you ever been afraid to talk back when you were treated unfairly? Have you ever bought something just because the salesman talked you into it? Are you afraid to ask a boy (girl) for a date? Many ...
A.
some people are too easy-going
B.
some people are too timid
C.
there are too many superiors around us
D.
some people dare not defend their own rights
【简答题】Have you ever regretted doing something you shouldn't have done or something you didn't do which you should have? At one time or another we probably all have.There's no __51 in getting depressed about...
【多选题】按照现行会计准则的规定,下列各项中可以记入“应收账款”的有()
【单选题】下列用途中,不可以申请使用公积金贷款的是()。
【简答题】(14分)下图中A、B均为固体,其中B为单质。下图可用于工业生产F,F是衡量一个国家化工水平的标志。回答下列问题: (1)A的化学式 (2)反应①是一个氧化还原反应,该反应发生时,每生成4 mol气体C, 转移电子 mol (3)写出D与铝单质反应的化学方程式 (4)反应②是可逆反应,在2 L的密闭容器中投入 4 molC和3 molX,10分钟后反应达到平衡,平衡时混合气体共6 mol,则下列说...
【单选题】下列用途中,不可以申请使用公积金贷款的是( )。
【单选题】Glad to see you back. How long in Russia?
【多选题】按照现行会计准则的规定,下列各项中可以记入“应收账款”账户的有( )
【简答题】氮是地球上含量丰富的一种元素,氮及其化合物在工农业生产、生活中有着重要作用.请回答下列问题: (1)用CH 4 催化还原NO x 可以消除氮氧化物的污染.例如: CH 4 (g)+4NO 2 (g)=4NO(g)+CO 2 (g)+2H 2 O(g)△H 1 =-574kJ?mol -1 CH 4 (g)+4NO(g)=2N 2 (g)+CO 2 (g)+2H 2 O(g)△H 2 若1mol C...