题型:判断题 —It’ s sunny today, Daddy, How about going swimming with me?—_______. Let’s ask your mommy to go with us.A.Don’t worry B.Never mind C.Not at allD.Good idea 查看答案
题型:判断题 患者,48岁,因下前牙松动1年就诊。检查:下前牙均有Ⅰ~Ⅱ度松动,结石较多,深牙周袋,X线片示下前牙牙槽骨吸收严重。造成牙周炎的主要原因是()A.遗传B.全身性疾病C.病毒感染D.龈上菌斑E.龈下菌斑和龈下牙石 查看答案