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B. 
C. 
D. 
E. 
1．A: Hello, Peter! This is Gao Wei.
B: Nice to meet you.
C: Nice to meet you, too.
2．A: Mum, can I have some juice, please?
B: Sure! Here you are.
A: Thank you!
B: That’s OK.
3．A: Good night, Mum and Dad!
B: Good night, Lisa!
4．A: Hello! How are you?
B: Fine, thank you.
A: Look at my face!
C: Oh, he has a big face.
5．A: Hello! I have a big balloon.
B: Wow! Cool!
C&D: Look! Red, yellow, blue, green, purple and brown.
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
