[单项选择]风池穴取穴宜用（）
A. 骨度分寸定位法
B. 体表标志定位法
C. 简便取穴法
D. 手指同身寸定位法

[单项选择]腹部大手术后，早期出现肺功能不全最常见的原因是（）。
A. 胃内容物误吸
B. 支气管痉挛
C. 肺膨胀不全
D. 气胸
E. 肺水肿

[判断题]在处置苯危化品车辆泄露事故时容易出现冻伤现象。( )
A.正确
B.错误

[单项选择]People appear to be born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning to walk and talk, they can set the table with impressive accuracy one plate, one knife, one spoon, one fork, for ’each of the five chairs. Soon they are capable of noting that they have placed five knives, five spoons, and five forks on the table and, a bit later, that this amounts to fifteen pieces of silverware. Having thus mastered addition, they move on to subtraction. It seems almost reasonable to expect that if a child were secluded on a desert island at birth and returned seven years later, he or she could enter a second-grade mathematics class without any serious problems of intellectual adjustment.
Of course, the truth is not so simple. In this century, the work of cognitive psychologists has illuminated the subtle forms of daily learning on which intel
A. Trends in teaching mathematics to children.
B. The use of mathematics in child psychology.
C. The development of mathematical ability in children.
D. The fundamental concepts of mathematics that children must learn.

[单选题]数码摄像机的外部设备有镜头保护镜、外接式广角镜、倍数加倍镜、PL偏光镜、()、DV清洁带、DV回带机、固定用三脚架和电池。( )
A.辅助灯光
B.液晶显示屏
C.镜头
D.CCD片

[单项选择]
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。