听材料,回答问题。
1. Where will the opening ceremony of the 30th Olympic s be held?
A. In Bird's Nest.
B. In London Bowl.
C. In Water Cube(水立方).
2. How many times has the UK hosted the Olympic s so fat?
A. Once.
B. Three times.
C. Twice.
3. What's the slogan of the 30th Olympic s?
A. See the World,Visit London.
B. One World,One Dream.
C. Faster,higher,stronger.
4. Which country did the Olympic s first start from?
A. China
B. The UK.
C. The ancient Greece.