演练周期：集团范围的演练至少每（）年组织一次.
A.半
B.一
C.二
D.三
参考答案：C
按照征税对象分类，下列属于财产行为税类的有（）
A.房产税
B.资源税
C.车船税
D.车辆购置税
There _____ a great number of students over there. The number of the students _____ five thousand. [ ]
A. are, is
B. are, are
C. is, are
D. is, is
