Last Week | |||
| Wednesday | Thursday | Friday |
Susan | watch TV | listen to music | do her homework |
Tim | play sports | swim | have a math lesson |
Peter | play sports | visit his grandfather | go to the park |
Next Week | |||
| Wednesday | Thursday | Friday |
Susan | help her parents | go shopping | do her homework |
Tim | do his homework | read a book | have a math lesson |
Peter | play sports | listen to music | fly a kite |
1.Susan watched TV last Wednesday, but next Wednesday she will help her parents. Tim will
2.Tim
3.Peter
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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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