题目内容
（请给出正确答案）
A.甲状腺肿大和甲状腺功能亢进症严重程度不成正比
B.甲状腺功能亢进症患者多数有甲状腺肿大
C.甲状腺肿大时也可能不是甲状腺功能亢进症
D.颈部甲状腺不肿大，也可能是甲状腺功能亢进症
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更多“关于甲状腺功能亢进症，以下哪些说法是正确的A．甲状腺肿大和甲状腺功能亢进症严重程度不成正比B．”相关的问题
结合下列图片，指出以下关于甲状腺的说法正确的是()
A. 甲状腺的血液供应很丰富，主要来自甲状腺上、下动脉，其间有吻合
B. 甲状腺表面有静脉丛，血液经甲状腺上、中、下三组回流
C. 甲状腺功能仅接受交感神经节支配
D. 甲状腺的淋巴引流具有多向性和广泛性特点，可分为7个区域
E. 淋巴向上、下、两侧分别引流至颈部、纵隔、颈侧区和咽后区
A. 使用硫脲类抗甲状腺药和碘剂抑制甲状腺激素的生成和分泌
B. 使用β受体阻滞剂降低周围组织对甲状腺激素的反应
C. 使用放射性碘抑制甲状腺激素
D. 使用糖皮质激素减少T4向T3转化
E. 血浆置换
A. 多见于老年及儿童患者
B. 发病隐匿，高代谢综合征、眼征和甲状腺肿可不明显
C. 全身情况差，体重减轻较明显，甚至出现全身衰竭、恶病质
D. T4可能不高，但FT3、FT4升高，TSH降低
E. 心律失常、心力衰竭的发生率高
A．it was something in
B．there was something as
C．it was something as
D．there was something in
A．what
B．why
C．how
D．who
A．almost an adventure
B．a real nightmare
C．quite unpleasant
D．very inspiring
Some of the most popular attractions across America are the many free concerts offered to public throughout the year. These involve not only amateur performers, but professional artists as well. The public parks of many cities across the country usually have bandstands and large lawns. As a service to citizens, they rent out space to performers free of charge. Amateur groups, with nothing more than a desire to perform. offer their talents freely to public. Semi-professional artists are pleased to get the chance to perform. before the public to perfect their craft and nurture the hope of being discovered before beginning a professional career. Famous professionals also give free concerts to make contact with their admiring fans. Often such concerts are sponsored by a large corporate organization and offered to the public free of charge as a cultural service and support for the arts.
The free concerts feature all kinds of music from rock and roll, jazz, country, western to the classics. In addition, free performances may include the plays of Shakespeare or experimental theatre of modern dramatists. In New York's Central Park there has long been a summer Shakespeare festival which draws huge crowds to the free performances.
Of these concerts the ones held on a summer evening in the park are the most popular. They take on a festive air. Friends and groups gather together after work and spread out a blanket on the lawn facing the performers' stage. The early comers get the best locations and enjoy a picnic supper while it is still daylight. The free seating is on a first come basis. Therefore, by the time the concert begins, as many as five thousand or more people may be in attendance. The concerts usually begin at 8 p. m and are performed under the stars. The sound is made sufficiently loud so that no matter where one chooses to sit, he can hear very well. The only disturbance may be the sound of an overhead airplane on its final approach to an airport or the far-off siren(警笛声) of an ambulance on its way to the hospital. This matters little! What counts is to soak up the atmosphere created by the music and to be with friends in the fresh open air. The best part of it all is that it's free!
Many American parks give free concerts on their lawns because they______.
A．have the necessary facilities
B．call attract more visitors
C．want to serve the public
D．are in a position to invite musicians
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