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k和y是两种相关联的量，若k=5y，则k和y成反比例．______．（判断对错）

颈痈的病机特点是

A．挟痰

B．挟瘀

C．挟有湿热

D．正气内虚

E．邪毒炽盛

采用合同书形式订立合同，在签字或者盖章之前，当事人一方已经履行主要义务，对方接受的，该合同成立。( )

甲与乙签订海上货物买卖合同，约定甲向乙提供一批货物，乙为甲签发一张远期汇票，由某银行作为付款人。不久，甲急需资金，遂将该汇票背书转让给丙。请问，下列说法中正确的是（）

A.甲将汇票背书给丙后，应当及时通知乙，否则乙可以不对丙履行票据义务

B.在此之前，甲曾经欠乙一笔钱，至今未还。当丙请求乙付款时，乙不得以之对抗丙

C.甲背书转让汇票后，从交易链条中退身而出，与该汇票不再有任何关系

D.假如汇票经过多次背书，最后回刭乙的手中，则该汇票上的权利义务因混同而消灭

Of all the areas of learning the most important is the development of attitudes. Emotional reactions as well as logical thought processes affect the behavior of most people.
"The burnt child fears the fire" is one instance ; another is the rise of despots like Hitler. Both examples also point up the fact that attitudes stem from experience. In one case the experience was direct and impressive; in the other it was indirect and cumulative. The Nazis were indoctrinated largely by the speeches they heard and the books they read.
The classroom teacher in the elementary school is in a strategic position to influence attitudes. This is true partly because children acquire attitudes from those adults whose word they respect.
Another reason it is true is that pupils often delve somewhat deeply into a subject in school that has only been touched upon at home or has possibly never occurred to them before. To a child who had previously acquired little knowledge of Mexico, his teacher’s method of handling such a unit would greatly affect his attitude toward Mexicans.
The media through which the teacher can develop wholesome attitudes are innumerable. Social studies (with special reference to races, creeds and nationalities) , science matters of health and safety, the very atmosphere of the classroom... these are a few of the fertile fields for the inculcation of proper emotional reactions.
However. when children come to school with undesirable attitudes, it is unwise for the teacher to attempt to change their feelings by cajoling or scolding them. She can achieve the proper effect by helping them obtain constructive experiences.
To illustrate, first grade pupils afraid of policemen will probably alter their attitudes after a classroom chat with the neighborhood officer in which he explains how he protects them. In the same way, a class of older children can develop attitudes through discussion, research, outside reading and all-day trips.
Finally, a teacher must constantly evaluate her own attitudes, because her influence can be deleterious if she has personal prejudices. This is especially true in respect to controversial issues and questions on which children should be encouraged to reach their own decisions as a result of objective analysis of all the facts.

The passage specifically states that ______.

A．direct experiences are more valuable than indirect ones

B．whatever attitudes a child learns in school have already been introduced at home

C．teachers should always conceal their own attitudes

D．teachers can sometimes have an unwholesome influence on children