患儿，男，6岁，1小时前上前牙外伤。查：唇向错位，松动Ⅱ度，叩（±），牙龈轻度红肿，叩（-），松（-），牙髓活力测验同对照牙。X线未见根折，最合适的治疗方案为（）

A.调观察

B.自行愈合

C.复位固定，观察

D.牙髓治疗后复位固定

E.拔除

阅读理解。

     Mr. Black comes from New York in America (美国). He teaches (教) English in No. 3 Middle School (中学). He likes his work (工作) very much. He often says Chinese people are very friendly (友好). He has two

daughters (女儿). They are Lily and Lucy. They are twins (双胞胎). They are in the same school. They study (汉语) Chinese very hard (努力). The teachers and students all (都) like (喜欢)them. They have a lot of

Chinese friends.

阅读短文,判断正(T)误(F).

(      ) 1. Mr. Black is from New York.

(      )2. Mr. Black teaches (教) English in No. 5 Middle School.

(      )3. Lily and Lucy are twins.

(      )4. Lily and Lucy are in different schools.

(      )5. Lily and Lucy have a lot of Chinese friends.