人口渴了要喝水体现的是()。
A.生理性动机
B.社会性动机
C.内部动机
D.外部动机
E.附属内驱力
参考答案:A, C
解析:口渴要喝水是内部动机,也是生理性动机。
用画线词的反义词或对应词完成句子。
1. I like _____ hair. I don't like long hair.
2. This room is small. Do you have a _____ one?
3. This tree is very tall, but that tree is _____.
4. I can see the white bird, but I can't see the _____ one.
5. Please stay here. Don't go _____.
预防性树脂充填与窝沟封闭操作步骤最大的区别是()
A.牙面一定要清理
B.使用粘结剂
C.不做预防性扩展
D.酸蚀术区
E.术后检查咬合高点