填空回答下列的問題。
1. Mr Wang has nine sons. Every one of his sons has a sister. How many
children does Mr Wang have at least?
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2. Which letter can go around Australia?
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3. A candle burns out in sixty minutes. How many minutes will it take five
candles burning together?
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4. " the word cup" means ___________________________.
5. In " APEC ", "A" means ______________________, "P" means __________________.
6. " WTO " means ___________________________.
7. What belongs only to you but is used more by others than yourself?
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8. What is it that goes up and never goes down?
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9. What does " AIDS " mean?
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10. Which city has the other name of " stone city " ?
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