题型:填空题 关于切线投影的叙述,错误的是()A.将中心线从被检部位边缘通过,称切线投影B.此法可使相邻部分X线吸收差异减小C.对于某些边缘凸出,可采用此法D.对某些边缘凹陷,可采用此法E.对某些表面病灶,可采用此法 查看答案
题型:填空题 Directions:Write an essay of 160--200 words based on the following pictures. In your essay, you should1) describe the pictures briefly,2) give reasons for giving up smoking, and3) suggest ways to quit smoking. 查看答案