第1题: [单项选择]腭部较高患者牙根尖片分角线投照,X线中心线应该 A. 水平角度不变,增加垂直角度 B. 水平角度不变,减少垂直角度 C. 垂直角度不变,水平角度向近中倾斜 D. 垂直角度不变,水平角度向远中倾斜 E. 水平角度、垂直角度均不变 参考答案:B 答案解析:腭部较高,胶片在口内放置较为垂直,X线中心线应该减少垂直角度。
第5题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Hang up the phone. B. Call her friend immediately. C. Get the telephone right now. D. Pass the exam as Bob did. 参考答案:A 答案解析:[听力原文]
M: Get off the phone Susan. I will get a phone call from one of my clients.
W: Wait. I am t