A．
B．
C．
D．
参考答案：A
解析：
Rio de Janeiro of Brazil ________ the bid to hold the 2016 Summer Olympic Games after beating
rivals Chicago, Tokyo and Madried.[ ]
A. won
B. hosted
C. solved
D. earned
重大的国家统计调查项目应当______。
A．报国家统计局审批 B．报国家统计局审核，由国务院备案C．报国务院备案 D．报国务院审批
