砂浆的流动性用()表示。
A、坍落度
B、分层度
C、沉入度
D、工作度
参考答案:C
We hurried there only ________ a note pinned on the door, ________ us the delay of the meeting.[ ]
A. to find; to inform
B. finding; informed
C. to find; informing
D. found; inform
"古人用毒药攻病必随人之虚实寒热而处置非一切轻用也"的正确断句处是
A.药B.随人C.实D.热E.置