问题
选择题
He became _________ his parents because he could make a living by selling newspapers.
A．tired of
B．independent of
C．accustomed to
D．accessible to
答案
答案：B
考查词组：A.be tired of厌倦于，B.be independent of独立C.be accustomed to习惯D.be accessible to易接近的，句意是：因为他自己通过卖报纸谋生，所以他不依赖父母。选B。
面龋洞很深，叩阴性不松动牙龈 * * 糜烂，探诊出血。远中 
面龋洞很深，叩阴性不松动。 
萌出2/3，近中窝沟卡探针。探粗糙。叩阴性不松动。右侧软垢多。
的治疗方案是（）