胶粉聚苯颗粒的施工找平中,局部钢丝网漏网部位用型卡子卡住,并补抹聚合物砂浆。聚合物砂浆总厚度应控制在()以内。
A.3.5mm
B.4mm
C.4.5mm
D.5mm
参考答案:A
_________a reply from his son in Japan, he decided to write again.[ ]
A. Not to receive
B. Receiving not
C. Not having received
D. Having not received
已知点A在数轴上表示-3,点B表示5,C点也在数轴上,AC:BC=7:9,那么C点表示的数为______.