---Why does Kate look so ____ ? ---Becau_爱下问搜题

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问题选择题

---Why does Kate look so ____ ?

---Because her father was hit when he went to work .

A．happy, by car

B．unhappy, by car

C．happy, by a car

D．unhappy, by a car

答案

答案：D

单项选择题

治疗牙周病的常用含漱剂是（）

A.0.17％～0.2％氯乙啶溶液

B.3％双氧水溶液

C.2％～3％碳酸氢钠溶液

D.5.25％的次氯酸钠溶液

E.2％氯胺-T溶液

单项选择题 A1/A2型题

不包括在颞骨乳突部的解剖标志是（）

A.乳突孔

B.乳突切迹

C.乙状沟

D.道上三角区

E.乳突气房