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| A. I’m sorry. B. The lake is so beautiful. C. I want to read under the tree. D. But I don’t like reading books today. E. Let’s have fun in the park! |
Dad: What a nice day! 1．
Lucy: Great! Let’s go. 2． Can I swim in the river?
Dad: Don’t swim in the river. It’s dangerous（危险的）
Lucy: 3．
Dad: You can read a book under the big tree.
Lucy: 4． I want to ride a bike.
Dad: OK, Lucy.
Lucy: Thanks, Dad. What do you want to do?
Dad: 5． I like reading.
Lucy: See you later.
Dad: See you.
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
