题目内容

What can' t be inferred from the 1 st paragraph

A. Scientific experiments in the past three hundred years have produced many valuable items.
B. For three hundred years there have been people holding hostile attitude toward science.
C. Modern civilization depends on science so man supports scientific progress unanimously.
D. Three hundred years is not long enough to settle back critical appraisal of scientific metho

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患者,女。平素月经量多,感肌热面赤,烦渴欲饮,脉洪大而气虚,重按无力者,治疗应首选

A. 白虎加人参汤
B. 四物汤
C. 当归补血汤
D. 补中益气汤
E. 归脾汤

根管钻的特点是

A. 螺刃较密
B. 穿透力强
C. 弹性较小
D. 带碎屑能力强
E. 侧壁切割力强

关于牙周脓肿,哪一项不正确

A. 牙龈局限性肿胀
B. 无牙髓活力
C. 脓肿区疼痛
D. 龈下牙石较多
E. 有牙周袋

牙周炎患者牙齿松动最主要的原因是

A. 牙周炎引起的牙槽嵴的吸收
B. 创伤
C. 牙周韧带的急性炎症
D. 牙周翻瓣手术后
E. 女性激素水平的变化

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