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B. 
C. 
D.
E. 
1．A: Good morning, Mr Wang.
B: Good morning. Is this your coat?
A: Yes, it is.
2．A: I like bananas. What about you?
B: I don’t like bananas. I like mangoes.
3．A: Look, boys and girls. What’s this?
B: It’s a tiger.
A: Very good.
4．A: Excuse me, Miss Liu. What time is it?
B: It’s twelve o’clock.
5．A: Hi, Miss Wu. This is my son.
B: Hello, what’s your name?
C: My name is Gao Wei.
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
