患者,男,缺失,余留牙正常,进行可摘局部义齿修复,基牙设计弯制卡环
基牙一类观测线,采用()
A.单臂卡环
B.双臂卡环
C.三臂卡环
D.环形卡环
E.对半卡环
参考答案:C
根据要求完成句子。
1、你有没有过这样的情况:有人控告你的记者,说他的报道失实?
Have you ever had a case ____________ someone ___________ of the stick?
2、在家里存放一个急救箱,以防事故发生.
Keep _________ in your home __________ ___________.
3、你没有必要过分担忧此事,但是你得努力调整适应新环境.
_________ for you to worry too much about it, but you should try your best to__________.
4、我们怀疑罪魁祸首是污水.(blame)
We __________ that ______________.
5、I didn't get the detailed facts until the reporter returned. (改为倒装句)
______________________________________________
塞式压缩机在吸气压力不变,降低排气压力时,其功率消耗将()
A.增加
B.降低
C.不变
D.为零