下列不属于刷涂法常用工具的是( )。
A．排笔
B．长毛刷
C．滚筒刷
D．圆刷
参考答案：C
It was April 29,2011 ________ Prince William and Kate Middleton walked into the palace hall of the
wedding ceremony.[ ]
A. that
B. when
C. since
D. before
酶变性失活的温度是（）
A.0℃以下
B.4℃
C.0～35℃
D.30～40℃
E.80℃以上
