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1. A: Happy birthday, Sam. Here’s your cake.
B: Thank you.
2. A: How many caps, Daming?
B: Five. Look! This is my cap.
3. A: Where’s my book?
B: Your book is on the desk, Amy.
4. A: Good morning, Lingling. Here’s your pen.
B: Thank you, Ms Smart.
5. A: What’s this, Tom?
B: It’s my bird.
1. Sam 2. Daming 3. Amy 4. Lingling 5. Tom
a.
b. 
c. 
d. 
e. 
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
