第8题: [单项选择]The process of supplying a diesel engine cylinder with air at a pressure greater than atmospheric is called(). A. engine displacement B. super-aspirating C. air injection D. supercharging 参考答案:D
第31题:[单选题]交感神经兴奋可引起: A. 瞳孔缩小 B. 逼尿肌收缩 C. 肠蠕动增强 D. 心率加快 E. 胃肠运动加强 参考答案:D
第32题: [单项选择]人体结构及方位的确定依据是 A. 站立位姿势 B. 俯卧位姿势 C. 仰卧位姿势 D. 自由位姿势 E. 解剖学姿势 参考答案:E 答案解析:在摄影工作阅片时,人体结构与方位都以解剖学姿势做依据。
第33题: [单项选择]The stone chip is thought to be the most important tool because it______. A. was one of the first tools. B. developed human capabilities. C. led to the invention of machines. D. was crucial to the development of mankind. 参考答案:D 答案解析:本题询问细节,相关语句为第二段末尾的“The stone chip …and it is the most important.Some scientists say that it was the