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Our school has many rules. We have to(必须) wear school uniforms(校服) every day. We can’t eat in the library. We can’t talk or fight(打架)in class. We shouldn’t play dangerous games. And we can’t throw(扔) things everywhere in the school. We must(必须) finish our homework after school. We should talk in a polite(礼貌) way. We should greet(问候) teachers when we meet them.
1．Do they have to wear school uniforms every day? ( )| A．Yes, they do. | B．No, they don’t. | C．I don’t know. |
| A．study | B．read books | C．talk or fight |
| A．after lunch | B．after school | C．after breakfast |
| A．greet | B．call | C．stop |
| A．Six. | B．Ten. | C．Eight. |
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
