问题
单项选择题
患者女性，28岁，1周前拔除
残根，现仍偶尔有出血，检查见拔牙创愈合不良，牙龈充血挤压有少量脓性渗出，此时应该进行的治疗为()
A．重新彻底搔刮拔牙创
B．局部冲洗上药
C．口服抗生素
D．继续观察
E．局部理疗
答案
参考答案：A
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患者女性，28岁，1周前拔除残根，现仍偶尔有出血，检查见拔牙创愈合不良，牙龈充血挤压有少量脓性渗出，此时应该进行的治疗为()
A．重新彻底搔刮拔牙创
B．局部冲洗上药
C．口服抗生素
D．继续观察
E．局部理疗
参考答案：A
Now in some places of our country, many people are cutting down (砍伐) the trees in the forests. They need more to build houses and more farmland to grow crops and so on. The areas of forests are getting . Some scientists say that there no big forests in 20 or 30 years. It is really a(n) thing. the forests, we will have sandstorms (沙尘暴) often. The weather will get . The earth will become a big desert (沙漠). A lot of plants and animals will . Crops will not grow anywhere. Life will be for everyone. So we should do our best our living environment and keep our mountains , the water clean, and the sky blue.
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