肉类在腐败变质时,常常在肉的表面产生明显的感官变化,这些变化表现出(),变色,霉斑和变味等一些特点。
参考答案:发粘
He is determined and competent and intelligent as well, which is ________ it takes to become ______success.
A.that; /
B.what; a
C.what; /
D.that; a
增感屏的保管、使用中,错误的是()
A.防高温、防潮湿
B.防阳光曝晒
C.防止水或药液溅入
D.发现灰尘即用口吹清除
E.暗盒应直立放置,避免重压变形