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A.
B. 
C. 
D. 
E. 
1．A: Good morning, boys and girls.
B: Good morning, Miss Liu.
2．A: Good afternoon, Peter. How are you?
B: Not very well. Look at my arm!
A: Oh, no! I’m sorry.
3．A: Look, I draw a panda.
B: Great. What colour is it?
A: Black and white.
4．A: Mum, can I have some juice, please?
B: Sure! Here you are.
A: Thank you.
B: That’s OK.
5．A: Gao Wei! I have a new bus.
B: Really?
A: Yes. Look here.
B: Wow! It’s super.
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
