初始地籍调查工作是否顺利开展，调查的______是关键。
A．程序 B．队伍C．区域范围 D．方法
参考答案：B
无菌区域的概念是( )。
A．经过灭菌处理后未被污染的区域
B．经过消毒处理后未被污染的区域
C．经过灭菌处理后刚被污染的区域
D．经过清洁处理后的区域
The officers made it clear that they were letting her go only because that she was old and not because she was above suspicion.
A．for reason
B．due to
C．because of
D．on the grounds
