混凝土配合比设计所采用的细骨料的含水率应小于()%,粗骨料的含水率应小于()%
A.0.4、0.2
B.0.5、0.3
C.0.5、0.2
D.0.4、0.3
参考答案:C
After the war, a new school building was put up ________ there had once been a theatre.
A.that
B.where
C.which
D.in which
8÷7改写成比是______,用分数表示是______.