不定项选择

 反铁磁性是指其磁场方向与铁磁性材料相反。

A．正确
B．错误
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男性，38岁。1年来活动后气促，伴腹胀及双下肢水肿，自述既往无不适，生活工作正常。查体：BP 100／60mmHg，颈静脉怒张，双肺底可闻及湿性啰音，心界向两侧扩大，S1减弱，心尖部可闻及3／6级收缩期杂音，肝肋下3cm，双下肢凹陷性水肿。该患者最可能的诊断是
A.冠心病
B.扩张型心肌病
C.肥厚型心肌病
D.风湿性心脏病
E.缩窄性心包炎
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HOW PUPILS ARE TREATED IN SCHOOLS WITH YOUNG PEOPLEFAR FROM LOOK AT A.WE MUST (68)______THE INSECURITY THAT PARENTS HAVE FOR THEIR CHILDRENB.HAVING FEWER RELATIONSHIPS (69)______C.IT IS NOT (70)______ THE TRUTH TO SAYD.CHANGED THE WAY SOCIETY IS POLICED, (71)______AND HOW INSECURE ADULTS RELATE TO CHILDREN ON THEIR ESTATES THERE ARE INCREASINGLY FRAUGHT RELATIONSHIPS THAT ADULTS ARE HAVING WITH CHILDREN-IN ALL WALKS OF LIFE, FROM THE POLICE AND POLITICIANS, WITHIN THE PUBLIC SECTOR AND WITHIN COMMUNITIES THEMSELVES. THE FEAR OF YOUNG PEOPLE HAS (72)______. RATHER THAN CHILDREN AND YOUNG PEOPLE BECOMING MORE VIOLENT AND ANTI-SOCIAL, IT IS ADULTS WHO HAVE CHANGED, (73)______AND BECOMING LESS CONFIDENT IN THEIR DEALINGS WITH THEM. WE MUST EXPLORE THE ROLE THAT CRIME AND SAFETY INITIATIVES HAVE ON THE OUTLOOK OF THE PUBLIC.THE ATTEMPT BY GOVERNMENT, COUNCIL DEPARTMENTS, THE POLICE AND MANY OTHERS TO REDUCE THE FEAR WITHIN COMMUNITIES BY DEVELOPING SAFETY INITIATIVES IS HAVING THE OPPOSITE EFFECT, RESULTING IN THE INSTITUTIONALIZATION OF THIS FEAR. CURFEWS HAVE INCREASED ADULTS' FEAR OF YOUNG PEOPLE AND REDUCED THE AMOUNT OF TIME YOUNG CHILDREN ARE ALLOWED OUT TO PLAY. THEY HAVE RAISED THE LEVEL OF INSECURITY A-MONGST PARENTS ABOUT THE SAFETY OF THEIR CHILDREN AND ULTIMATELY REDUCED THE CONTACT BETWEEN GENERATIONS WITHIN THIS COMMUNITY. (74)______THAT 'YOUTH' NO LONGER EXISTS-IF BY YOUTH WE MEAN THE FREEDOM LOVING REBELLIOUSNESS. THE OUTCOME OF THIS PROCESS IS BREEDING A GENERATION OF YOUNG PEOPLE WHO ARE IF ANYTHING MORE FRAGILE AND FEARFUL THAN THEIR GRANDPARENTS. FINALLY, AS WELL AS EXPLORING THE FEAR OF YOUNG PEOPLE, (75)______. THERE HAS BEEN A REDUCTION IN PLAY, AND SPECIFICALLY IN ' FREE PLAY' , AND THE EFFECT OF THIS MORE REGULATED ENVIRONMENT ON CHILDREN' S LIVES IS YET TO BE DETERMINED AND NOT SOMETHING WE CAN CONTINUALLY IGNORE IN OUR RUSH TO PROTECT SOCIETY FROM CHILDREN.
A.CHANGED
B.
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