非言语测验(操作测验)
参考答案:
非言语测验(操作测验)是指测验的内容以图画、仪器、模型、工具、实物为材料,被试用操作或辨认来回答。其优点是不受文化程度的限制。
— What do you think of your new English teacher?
— She was well prepared for her first lesson and left us a good ______. [ ]
A. expression
B. instruction
C. appearance
D. impression
引起病人脱水的原因主要有哪些?