根据我国产品质量认证管理条例,下列不属于产品认证范围的是()
A.合格认证
B.安全认证
C.综合认证
D.质量体系认证
参考答案:D
This table is made wood and this kind of paper is made wood, too. [ ]
A.of, from
B.in, from
C.from, of
D.from, in
坏死组织被新生的肉芽组织取代的过程,属于
A.化生B.增生C.再生D.机化