Peter's week
| Sunday | Mon-day | Tues-day | Wednes-day | Thuts-day | Friday | Saturday |
have breakfast | √ | √ | √ | √ | √ | √ | √ |
play ping-pong | √ |
|
|
|
|
| √ |
ride a bike |
| √ | √ | √ | √ | √ |
|
read books | √ | √ | √ | √ | √ | √ | √ |
drive a car | / | / | / | / | / | / | / |
1.用always, often, sometimes和never填空。
1.Peter
2.Peter
3.Peter
4.Peter
5.Peter
2.把上一题五句话中的Peter改为I后写一写。
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同类型试题
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
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