搜题请搜索小程序“爱下问搜题”
问题 单项选择题

下列关于安全费用的叙述中，哪项是错误的。（）

A、安全费用年度结余资金结转下年度使用

B、当年计提安全费用不足的超出部分按正常成本费用渠道列支

C、安全费用应当优先使用在劳动防护用品上

D、安全费用应当优先用于安全生产标准所需的支出

答案

参考答案：C

填空题
用方框内所给单词的适当形式填空。
Three, homework, work, at, their, bus, get, after, bed, eat
     Tom and his sister Amy are students. Tom takes a     1     to school every day, and Amy does too. Some of     2     friends walk(步行，走)to school. Tom and Amy     3      home at four o’clock in the afternoon.
They do their      4      before(在....以前) dinner, and they play computer games      5      dinner. They
usually go to      6     early in the evening. Tom and Amy have      7      meals(饭) a day: breakfast, lunch
and dinner. They have breakfast      8      home. On school days, they have lunch at school. They usually 
      9      dinner at home. Their father comes home from     10     at six and their mother cooks dinner at
seven.
查看答案
解答题
已知函数f(x)=cos2(x+
π
12
)，g(x)=1+
1
2
sin2x．
（I）设x=x0是函数y=f（x）图象的一条对称轴，求g（x0）的值；
（II）求函数h（x）=f（x）+g（x）的单调递增区间．
查看答案