1. Last week, it took me three days to go from A to B, but then four days to go from B to
A.What are A and B? |
3. What has teeth but cannot eat?
4. What two words contain thousands of letters?
5. Which runs faster,heat or cold?Why?
6. What starts with E, ends with E and only has one letter?
7. What of us goes up and never comes down?
8. Why is the letter E so important?
9. Why are the letter G and letter S in "gloves" close to each other?
10. What letter is an animal ?
11. What letter is a question?
12. Why is U the jolliest letter?
13. What does everybody do at the same time?
14. How can you make a rope shorter without cutting or winding it?
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同类型试题
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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