用于包装、铺垫、支撑、承载货物的木箱、木框、胶合板等都属于检验检疫中木质包装的范畴。( )
参考答案：错
在3、-5、0、-1这四个数中，最小的数是（ ）
A．0
B．-1
C．3
D．-5
He wrote a letter ______ he explained what had happened in the accident.
A．what
B．which
C．where
D．how
