A. Wear the hat! B. Wash your hands! C. Don't run! D. Welcome to our school! E. Don't feed the fish! |
1. 欢迎大家来我们学校,你应该说:
2. 你不想让别人跑,应该说:
3. 吃饭之前你告诉大家要先洗手,应该说:
4. 不能随便喂鱼,应该说:
5. 到工厂参观,要戴上帽子,应该说:
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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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