A: Are you free tonight? I want to watch the new movie called Home Coming. Would you like to join me?
B: I’ve heard about it. It is one of the newest movies nowadays. There are quite a few hot
A: Yeah, many people said it was a really touching movie that
B: I really want to go with you, but I’m afraid tonight is not a good time. The 2022 ITTF World Team Table Tennis Championships final will be held tonight.
A: Table tennis? I
B: So I were. But this time is different. The final game was held in Chengdu and the most excellent table tennis players all over the world came here,
A: Haha... No wonder I didn’t see you these evenings. By the way, as the ‘national sport’, I guess
B: Of course, Chinese team has got many big wins, just as everyone
A: It sounds like a piece of cake for them. I know how hard-working these players are in their daily training,
B: That’s true. Being in the top is not an easy thing. The great effort they made behind made who they are now. They truly set good

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

