轻度先天性上睑下垂行手术矫治的时间宜在（）.A、2岁左右 B、3岁左右 C、4岁左右

Sixteen years ago a boy gave me an important gift. 小题1:_________

It was the early autumn of my first year at a middle school, and my old school was far away. As a result, no one knew who I was. I was very lonely, and afraid to make friends with anyone.

Every time I heard the other students talking and laughing, I felt my heart break. 小题2:_________

Then one day, my classmates talked happily with their friends, but I sat at my desk unhappily as usual. At that moment, a boy entered the classroom. 小题3:_________he passed me and then turned back. He looked at me with a smile.

Suddenly, I felt the touch of something bright and friendly. It made me feel happy, lively and warm. 小题4:_________I started to talk with other students and made friends. Day by day, I became closer to everyone in my class. The boy with the lucky smile has become my best friend now.

One day I asked him why he smiled, but he couldn’t remember smiling at me! I t doesn’t matter because all the dark days have gone. 小题5:_________If you think it lonely, you might always be alone. So smile at world and it will smile back.

该患牙应考虑的诊断是

A．猛性龋

B．氟斑牙

C．静止性龋

D．四环素牙

E．牙齿酸蚀症

大补丸2功效与作用

7/9， 13/9， 20/9， 28/9， ( )。

A．8/3

B．25/9

C．26/9

D．37/9

关于价格调控，下列说法错误的是( )。

A．经济调控手段是指政府根据价格形成的内在规律和市场供求规律，调节商品的需求和供给，影响价格形成的各种要素，从而达到调控市场价格的目的

B．价格调控机制可以积极消除市场的负面影响，保持国民经济的持续快速健康发展和价格总水平的基本稳定

C．市场是配置资源的有效手段，市场价格完全可以依靠市场调节价形成

D．价格总水平调控对市场价格的形成、运动和市场价格变动进行直接或者间接的干预和约束