下列不属于经常性支出项目的是()。
A.公务员的工资人员经费
B.公用经费
C.资本支出
D.社会保障支出
参考答案:C
Sara _____ a stomachache. So she ____ eat anything for twenty-four hours.
A.has, shouldn’t
B.has, should
C.have, shouldn’t
D.have, should
现有运用货车制动缸有哪几种型式?