具有研究期相对较短特点的是
A.RCTB.模型分析C.人群研究D.回顾性研究E.WYP
参考答案:B
根据句意和首字母完成句子。
1. Thanks for your i _____ to visit your school next.week.
2. We have no 1_____ on Saturdays and Sundays but we have to do the homework.
3. I hear the famous musician will come to our city to hold a c_____ next month.
4. I am always busy on w_____, but I never work at the weekend.
5. I ate up the apple. Please give me a _____ one.
6. There is going to be a football m _____ tonight.
7. Mary visited her cousin and had a c_____ lesson yesterday.
8. I didn't go out today because it rained the w _____ day.
9. You can find the correct date of Christmas on the c _____.
10. Can you come o_____ to my home if you are free?
口腔扪诊不能了解病变的
A.性质、组成和结构B.位置、大小和轮廓C.波动、搏动和压痛D.表面特征、温度和硬度E.移动度及其与邻近组织的关系