下列哪一项不符合小儿阑尾的特点（） A.婴幼儿的阑尾腔呈漏斗状，基部较大 B.学龄期

列竖式计算．

33×21

13×32

43×12．

主动脉压最高是在（）

A.心房收缩期末

B.快速射血期末

C.快速充盈期末

D.等容收缩期末

E.等容舒张期末

Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (51) to how they can be best accommodate such changes. Growing bodies need movement and (52) , but not just in ways that emphasize competition. Because they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (53) that comes from achieving success and knowing that their accomplishments are admired by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (54) to plan activities in which there are more winners than losers, for example, publishing newsletters with many student-written book reviews, (55) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide multiple opportunities for leadership, as well as for practice in successful (56) dynamics. Making friends is extremely important to teenagers, and many shy students need the (57) of some kind of organization with a supportive adult (58) visible in the background.

In these activities, it is important to remember that the young teens have (59) attention spans. A variety of activities should be organized (60) participants can remain active as long as they want and then go on to something else without feeling guilty and without letting the other participants down.

55().

A.displaying 

B.describing 

C.creating 

D.exchanging

标志着人类历史从蒸汽时代进入电气时代的事件是 [ ]

A．电力取代蒸汽成为工业生产和社会生活的主要能源

B．新交通工具的出现

C．原子能在战争中发挥了巨大威力

D．蒸汽机的广泛应用

患者，男，咽部疼痛5天，逐渐加剧，有跳动感，吞咽困难，语言含糊，咽部左侧软腭红肿高突，按之软，悬雍垂被推向对侧，左颌下可触及肿大淋巴结。全身有高热，头痛，溲赤便秘，舌质红，苔黄腻，脉数。

本病治愈后，为防止其反复发作，宜在炎症消退几周后，切除病灶？（）

A.1

B.2

C.3

D.4

E.5