男，25岁。左下第三磨牙低位阻生，牙龈红肿，形成冠周脓肿，正确的局部处理方法是

A．切开引流

B．局部理疗

C．局部冲洗上药

D．龈瓣切除

E．拔除阻生齿

用括号中词的适当形式添单词；

小题1:It’s a good habit to brush ___________(tooth)three times a day.

小题2:If there are more trees on the earth, there will be ________(little) pollution.

小题3:I hope to finish __________(write) my first book by the end of the year.

小题4:Thanks for _______(give) me so much help with my English.

小题5:More natural reserves(保护区) will be _________(build) in our country in the next few years.