题干
Not only can ______shut-eye leave us feeling tired and lazy but it can also be damaging our health and looks.
A：lacked
B：lacking
C：lacking of
D：lack in
答案(点此获取答案解析）
B
可在乳酸菌作用下分解而防止“白色污染”，下列有关聚乳酸的说法正确的是( )