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（ ）1. This is our classroom.
A. It’s nice.
B. I like the eraser.
C. Nice to see you.
（ ）2. I like the blackboard. It’s big.
A. This is my classroom.
B. I like the eraser. It’s cute.
C. This is my desk.
（ ）3. Glad to see you again, Maomao!
A. Glad to see you, too, Lingling !
B. Nice to see you, too, Lingling.
C. It’s nice.
（ ）4. Nice to see you again, boys and girls.
A. This is my dad, Miss Wang.
B. Nice to see you, too, Miss Wang.
C. Hi, Lingling.
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
