问题
单项选择题
有关氟斑牙描述不正确的是
A.一种特殊的牙形态发育异常
B.一般发生在恒牙
C.具有对称性
D.是一种地区流行病
E.上前牙唇侧最明显
答案
参考答案:A
有关氟斑牙描述不正确的是
A.一种特殊的牙形态发育异常
B.一般发生在恒牙
C.具有对称性
D.是一种地区流行病
E.上前牙唇侧最明显
参考答案:A
根据短文内容,从下框的A – F选项中选出能概括每一段主题的最佳选项。选项中有一个多余选项。
The personal Qualities of a Teacher: What personal qualities should a teacher have? I think the following would be accepted by most of us. ![]() First, a teacher should be pleasantly live and attractive. It does not mean that the teacher should be good-looking, because teachers who are not good-looking might also have their personal charm. Anyway, they should not be boring. ![]() Secondly, it is basic for a teacher to be sympathetic----to understand the minds and feelings of o ![]() ![]() Thirdly, a teacher should be a bit of an actor. That is part of the skill of teaching, which means that every now and then a teacher should put on an act(装样子) to make his lesson interesting and vivid. ![]() Fourthly, a teacher must sometimes show great patience. This is mainly a matter of self-training. None of us are born like that. Teaching requires great effort and a teacher should be able to deal with problem children. ![]() Finally, a teacher should have the kind of mind which always wants to go on learning. Teaching is a job in which a teacher will never be perfect. There is always something more to learn. There are three main subjects of study: the subjects which the teacher is teaching; the methods the teacher is using; the students whom the teacher is teaching. The two main rules of education today are that education is education of the whole person, and that it n ![]() |