A. 理发 B. 去看病 C. 与朋友会面 D. 做个小实验 E. 去野营 F. 玩游戏 G. 聚会 H. 拍照 I. 买衣服 J. 写信 |
1.take a test
2.play games
3.get a haircut
4.see the doctor
5.shop for clothes
6.have a party
7.write a letter
8.meet some friends
9.go camping
10.take photos
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