What should Mr. Porter do with the unused handbooks？
A. Discard them in no time
B. Keep them for the next workshop
C. Return them by mail
D. Sell them to others
查看答案
Where will their meeting probably take place？
A. In Boston
B. In Toronto
C. In Middleton City
D. In Vancouver
What is stated about the competition？
A. It takes place every other year.
B. It was limited to mobile phone designs.
C. It has 10 jurors from around the world.
D. It was sponsored by an electronics company.
在对既有建筑进行扩建、改建施工时，都有哪些设计要求？
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