溶出性抑菌产品,除必须达到相应的微生物指标外,对大肠杆菌和金黄色葡萄球菌的抑菌率须达到多少()
A.>40%
B.>70%
C.>80%
D.>90%
E.>26%
参考答案:E
12和15的最大公因数是______.
My parents and I _____ love playing badminton at weekends. [ ]
A. both
B. all
C. too
D. very