固定桥的固位体应具有以下特点()。
A.有足够的固位力
B.有足够的机械强度
C.承担合力
D.对牙龈刺激小
E.与基牙紧密连接
参考答案:A, B, D, E
下列说法不正确的是( )。
A) C程序是以函数为基本单位的,整个程序由函数组成B) C语言程序的一条语句可以写在不同的行上C) C程序的注释行对程序的运行功能不起任何作用,所以注释应该尽可能少写D) C程序的每个语句都以分号结束
句型转换。
1.People usually eat breakfast in the morning.(对画线部分提问)
_____ _____ people usually eat breakfast?
2. John does his homework at home.(改为否定句)
John_____ homework at home.
3. I want to know about your family. (改为一般疑问句)
_____you_____to know about my family?
4. School starts at nine o'clock.(对画线部分提问)
_____ _____ does school start?
5. home, you, get,. when, usually, do(?)(连词成句)