混凝土和砂浆用再生细骨料按性能要求分为几类?()
A、二类
B、三类
C、四类
D、无分类
参考答案:B
I am too busy to talk to you about this. I’d rather you ______ next Friday afternoon. [ ]
A. would come
B. were to come
C. had come
D. came
足三阴经在内踝上8寸以下的分布规律是( )
A.厥阴在前、太阴在中、少阴在后B.少阴在前、厥阴在中、太阴在后C.厥阴在前、少阴在中、太阴在后D.太阴在前、厥阴在中、少阴在后E.太阴在前、少阴在中、厥阴在后