我国的《公路沥青路面再生技术规范》建议水泥等活性填料一般不超过()
A.1%
B.1.5%
C.2%
D.2.5%
参考答案:B
Tiny Tim, a character in A Christmas Carol, was a happy little boy in spite of the disability that caused him a weakness in one leg .
A.to limp
B.to fall
C.rest
D.suffer
单向琼脂扩散试验常用于( )
A.定性测定
B.定量测定
C.定性和定量测定
D.定性和半定量测定
E.以上都不是