患者，女，48岁，主诉刷牙出血1个月余，并有口臭。
提示：经全口超声洁治，1周后复诊，诉刷牙时已无出血。检查见：牙龈红肿较前减轻，仅下前牙区及上后牙区数个位点探诊出血。提问：进一步治疗方案包括（）
A.口腔卫生宣教
B.龈下刮治及根面平整
C.局部以3%过氧化氢溶液冲洗牙周袋
D.给予含漱液以改善口腔局部环境
E.牙髓治疗
F.对探诊出血牙位行翻瓣术
G.口服抗生素
H.正畸治疗
参考答案：A, B, C, D, H
I live in a big city with a lot of homeless(无家可归的) people. Luckily there’re small ways of helping them and you needn’t have a lot of 31 . One way to help is to buy their monthly magazine. By doing this one day, I got to 32 a young homeless man. He was often 33 the magazine at the train station. He was a poor farmer from another country. After a while, I discovered that his 34 was close to mine. It 35__ that we were born in the same month. I met him last year shortly 36 his birthday, and after congratulating(祝贺) him, without thinking, I asked if he had had a good day. He 37 and said that he hadn’t really celebrated(庆祝). I felt so 38__. I just couldn’t help(情不自禁) thinking of this nice, young man being 39 on his 25th birthday with no presents, no cake, nothing! So I went home and looked in my yarn(毛线) basket. 40 for me, I had enough yarn left. I set to work and knitted(编织) a 41 for the young man. The yarn had become a little dirty 42 I didn’t knit very often. Then I washed the yarn so the scarf(围巾) would be clean when he got it. I met him on my own birthday as I was going shopping. I had 43 to meet him so I had carried the scarf and a piece of my own birthday 44 around with me. He was very happy with these gifts and so was I. The 45 in his eyes was the best present he could have given me!
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