为了解口腔健康状况应进行
A.口腔健康咨询B.捷径调查C.问卷调查D.口腔保健计划E.口腔预防保健措施
参考答案:B
解析:为了解口腔健康状况应进行捷径调查。
液力透平是利用高、低压分离器之间的()来回收能量。
A、势能
B、位能
C、压差
D、温差
The policeman stopped him when he was driving home and _____ him of speeding.[ ]
A. charged
B. accused
C. warned
D. blamed