不合格品报废需经过谁确认：（）。
A.拉长
B.会计
C.品管
D.工艺工程师
参考答案：C
A blog (博客) is considered as an invention ______ can express your own ideas and feelings freely.
It's the room to communicate with other people online. [ ]
A. that
B. who
C. where
下列哪项不是樟树的特性（）
A.食用价值
B.化工原料
C.木材用途
D.观赏价值
