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Tim: Hello, Sam! 1.
Sam: I'd love to.
Tim: Look at this book!
Sam: 2.
Tim: It's about animals.
Sam: 3.
Tim: My mother.
Sam: The book is very interesting. 4.
Tim: Yes, I like animals very much.
Sam: I have got some picture books about animals. 5.
Tim: Wow! That's great! Thank you very much.
A. I will give them to you.
B. What's it about?
C. Do you want to see my books?
D. Do you like animals?
E. Who bought it for 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
