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（ ）1.Where is the ruler? A I see ten pens.
（ ）2.This is my friend,Amy. B I’m ten years old.
（ ）3.Who’s this boy? C Wow,it’s so big.
（ ）4.How old are you? D She’s my mother.
（ ）5.Is he your father? E It’s on the desk.
（ ）6.How many pens do you see? F Yes,he is.
（ ）7.Who’s that woman? G Nice to meet you.
（ ）8.Look at the elephant. H He’s my brother.
（ ）9.Is it on the chair? I No,I don’t.
（ ）10.Do you like pears? J Yes,it is.
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
