选词填空，每空一词（5分）

小题1:My ___________ ( name / name’s) Tom.

小题2:______________ ( She / Her ) is my mother.

小题3:That’s ______________（a / an ）alarm clock.

小题4:I have three _______________ ( ruler / rulers ).

小题5:Excuse ______________ ( I / me ). Is it your book?

高嵌体在功能尖的磨除量应有

A．0.5mm

B．1mm

C．1.5mm

D．2mm

E．2.5mm