患者,男,40岁,缺失,口内余牙情况良好,咬合关系正常,考虑做固定义齿修复时最理想的设计是()
A.A
B.B
C.C
D.D
E.E
参考答案:B
用括号内所给词的适当形式填空。
1. My brother _____ (have)a baseball.
2. _____ he _____ (play) sports every day?
3. She ______ ( not watch) TV in the evening.
4. Let's ______ (take) these books to the classroom.
5. Can you ______ ( bring) the pen to me?
6. We have many ______ ( sport) clubs.
7. He only watches ______ ( they) on TV.
8. I have only one ______ ( watch).
9. Let ______ ( I ) have a look.
10. Tom ______ ( not do) sports in the morning.
整台电动机一次更换半数以上的电刷之后,最好先空载或轻载运行6h,使电刷有较好的配合后再满载运行。