在翻制石膏模时,调制石膏浆的石膏和水的比例,决定了石膏模型的强度和吸水性能,注浆用模型的膏水比例为()
A.1:1
B.1:0.8
C.1:1.2
D.1:2
参考答案:B
根据句意及中文提示完成句子。(5分)
小题1:I forgot those ___________ (绅士) names, but I was still grateful to them.
小题2:Luckily, we had a lot of support from local ___________(企业)
小题3:My father is busy on weekdays, ___________(特别) on Monday.
小题4:At last, the two thieves were __________(控制) by the police.
小题5:He has done much__________(调查) on teenage problems.
市场调节价实行"公平、合理,(),()"原则。