钢丝网水泥砂浆抹带接口选用网格()、丝径为20号的钢丝网。
A.5mm×5mm
B.10mm×l0mm
C.15mm×l5mm
D.20mm×20mm
参考答案:B
If you have a toothache, you should ______.
A. go to see a nurse B. go to see a dentist C. lie down and rest
初中思想品德课程的基本理念有哪些?