____________ is it from China to Canada? [ ]
A. How many
B. How far
C. How much
答案:B
安装人工心脏起搏器后多长时间就可以下床活动
A.6h
B.12h
C.18h
D.24h
E.48h
该职工的工资所得应缴纳个人所得税为( )元。
A.175
B.205
C.325
D.295