全国失业保险工作的主管机构是( )
A．国务院劳动保障机构 B．中华全国总工会C．省级政府劳动保障机构 D．地市县级政府劳动保障机构
参考答案：A
成人重度肥胖是指体重至少超过标准体重的（）。
A.30%
B.40%
C.50%
D.10%
E.20%
–Do you know the man ________ visited the United States in February?
--Yes. He is Chinese Vice-President Xi Jinping. He said it was his _______ visit to the United States.
A．who; fifth
B．that; five
C．/; five
D．which; fifth
