题目内容
（请给出正确答案）
One advantage of CD—RWs is that they ean____like floppy disks。
A．shine on bumps
B．take many more years
C．be the key parts
D．restore the original code
E．be written on and rewritten on
F．keep contact with their ground station efficiently
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Dear Ms. Smantsa Lee,
Thank you for enrolling in the workshop " Thinking Globally: Effective Lessons for Teaching about the Interdependent World Economy". The workshop will take place on September 26th, 2009 from 9: 00 am to 5. 00 p. m. at International Communication Center of Yale University.
I'm attaching a workshop agenda, . a campus map, and driving and parking directions. We plan to spend a valuable and exciting day reviewing lessons for teaching international economics in vocational schools. You will receive a copy of the Thinking Globally CD containing eight classroom-tested lessons. Some of the topics we will be covering are globalization, comparative advantage, what makes some nations wealthy, exchange rates, and the role of international agencies such as the IMF. Note that we have scheduled a reception at the end of the workshop with food. Because we have on ambitious agenda and many teachers enrolled from a wide geographical area, we hope you will be able to stay for the reception to talk to us, to get to know one another and to share ideas. I look forward to seeing you on September 26th, 2009.
Best regards,
Yours Sincerely,
Jamie Swane
What is the main purpose of Jamie Swane's writing this letter？
A．Informing the university students of attending a workshop
B．Introducing the workshop to the audience briefly
C．Confirming of one's registration for a workshop
D．Advertising for an international workshop
One advantage of the space-based solar power system is that it is economical．
A．Right
B．Wrong
C．Not mentioned
A.advantage
B.disadvantage
C.practice
One advantage of buying an existing business over starting a new one is that ______.
A．it reduces the competition
B．it has records readily available
C．it is cheaper
D．it already has many customers
Compared to the traditional classes, one advantage of online classes is that they______.
A．are reorganized more often
B．give more lectures to students
C．qualify more technical graduates
D．revolutionize many walks of life
There are advantages and disadvantages of online distance learning. One advantage is ______.
A．it is easy to do
B．it is cheaper than face-to-face learning
C．it is convenient
D．it is satisfying
One advantage of nano-armed washing machines is that______．
A．one wash-load could be much larger than before
B．the clean-up is done with an additional benefit
C．cleaning powder is no longer necessary
D．a lot of water could be saved
