某学生用托盘天平称量时，误将药品和砝码位置放颠倒了．待平衡时，称得药品质量读数为9.5g（1g以下用游码），则药品的实际质量为____．

（A）

    Are you interested in soccer?

    Join us now!

    King's School is organizing a soccer camp for children aged 12-15. Join us for 5 days of fun when you learn to play this exciting sport!

When: 23-27 November, 2015 (Monday to Friday)    

3:00 p.m —5:00 p.m

Where: City Sports Hall 267 State Street

Cost: $ 10 each

Our special service: Players from the National Soccer Team will be your coaches for the 5 days of camp!

After the camp, you can:

● understand the rules of the game

● carry the ball with your feet

● pass the ball to other players using your feet

● kick the ball towards the goal

    Please come in comfortable clothes and sports shoes.

    For more information, call us at 01159515092, or e-mail us at kssoccercamp@hotmail.com.

人的大脑所能记忆的内容是有限的,随着时间的推移,记忆的东西会逐渐遗忘.为提升记忆的效果,需要有计划的按时复习巩固.图中的实线部分是记忆保持量（%）与时间(天)之间的关系图.请根据图回答下列问题：

已知$A=\left\{x|y=\sqrt{x-2}\right\},B=\left\{y|y=x^2-2\right\}$,则$A\cap B=$（　　）