正常男性每天排铁
A．0.1～0.5mg
B．0.5～1.0mg
C．1.0～1.5mg
D．1.5～2.0mg
E．2.0～2.5mg
参考答案：B
________ freezing snow, which is still heavy, will come to ________ end this weekend.
A．The; an
B．A; an
C．The; the
D．A; the
