Mid-IB at a glance
The summer vacation is the time to consolidate（巩固）your learning and prepare for the year ahead. In July and August Oxford Study Courses will once again hold its Mid-IB Summer School for students half way through their IB Diploma（国际预科证书）.
We’ll be back giving another generation of IB students a unique opportunity to sample a way of life enjoyed by students at famous universities.
Students who have completed the first year of their IB Diploma can join us and we can help them prepare for their important second year.
Students can choose how many subjects they study. Each subject is studied for one week. You can attend up to 5 weeks.
The Mid-IB Summer School is held at Cambridge University in the UK （between June 20th and August 1 st） and at Harvard University and the Massachusetts Institute of Technology （MIT）in Boston, USA （between July 6th and July 25th）.
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Student comments
◆ “The classes have shown me new approaches to learning. I have also learned how to approach exam questions and now feel confident in doing so.”
◆ “It was cool creating tight and close relationships with other students from around the world, realizing we all had a connection to each other.”
◆ “I really enjoyed the level of independence, although I felt like people were watching out for us. I also felt like an Oxford student!”
◆ “I have enjoyed the learning style and the course work has been extremely beneficial（有益处的）academically.”
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Enjoy the summer
Our Summer School gives you an action-packed social scene with visits to the fun places in the area, organized sports and social events, and advice on how to enjoy your free time in these amazing cities with your new friends. Welcome to contact us at ose@ose-ib.com or on +44（0）1865 521802!
小题1:The Mid-IB Summer School is intended for the students who ________.
A．have finished their first year of college
B．intend to apply for Oxford University
C．don’t know how to spend their summer vacation
D．have completed the first year of their IB Diploma小题2:What can be inferred from the text?
A．Students will visit many fun places around the world.
B．A student can at most choose 5 subjects.
C．Only students from England and America have access to the school.
D．Students can obtain their IB Diploma when they finish their studies.小题3:Which of the following about the Mid-IB Summer School is true?
A．It begins in July.
B．It provides only academic courses.
C．It is held in three universities.
D．Students attending will study for 5 weeks.小题4:The text is most probably a（n）_________.
A．news story
B．speech
C．travel guide
D．advertisement
=0.6m。平台高BD=0.80m。一个质量为M=2.0kg的小球沿平台自左向右运动到B处与摆球发生正碰，碰后摆球在绳的约束下做圆周运动，经最高点A时，绳上的拉力T恰好等于摆球的重力，而M落在水平地面的C点，DC=1.2m。求：质量为M的小球与摆球碰撞前的速度大小(不计空气阻力，取g=10m/s2)。
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1分