生育医疗服务

学校食堂运进大米45袋，运进面粉30袋。运进的大米比面粉多多少袋？

单词拼写

1. The Taiwan S____ separates Taiwan Island from the mainland.

2. Now in China, an increasing P___ of the population have their own cars.

3. As the wage was low, few people a ____  for the position.

4. That accident o ____    at midnight.

5. My lather h ______   three men to help him with the harvest lastsummer.

6. Only a few of them thought highly of the plan. The m didn't agree to it.

7. He is an o ____ looking man.

8.  ____( 显然) ,he has lost interest in physics.

9. The government announced additional rules on _____ ( 移民 ).

10. It is_____( 相信)that before long there will be more trees

在标准根尖片下，当牙槽嵴顶到釉牙骨质界的距离超过几毫米时，可认为有牙槽嵴顶骨吸收（）。

A.0.18～0.25mm

B.3～3.5mm

C.2.5～3.5mm

D.1～2mm

E.2mm

男性患者，11岁，左上1牙颈部冠折，已行根管治疗。

选用这种修复方法，主要考虑（）.

A.年龄

B.价格

C.牙根实际情况

D.材料生物相容性

E.美观

芳香烃的热稳定性很高，在一般的裂解温度下不易发生芳环开裂的反应，但可发生两类反应一类是（），另一类烷基芳烃的侧链发生断链生成苯、甲苯、二甲苯等反应和脱氢反应。