______所调查的企业数量或范围较小，人力和费用开支较省，运用比较灵活。
A．市场调查B．重点调查C．典型调查D．抽样调查
参考答案：C
We can't do _____ work today because it is _____ hot.[ ]
A. too many; too much
B. much too; too much
C. too much; much too
D. too much; many too
中共十八大提出，积极培育和践行社会主义核心价值观，倡导富强、民主、文明、和谐，倡导自由、平等、公正、法治，倡导（）
