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Uncle John: Happy New Year! This is for you, Helen.
Helen: Thank you, Uncle John!
Mike: What's this?
Helen: It's a doll.
Mike: How nice!
Uncle John: This is for you, Mike.
Mike: Thank you.
Helen: What's that?
Mike: It's a ball.
Helen: What's this?
Uncle John: It's a robot. It's for Tim.
1．将礼物和相应人物连线
(1)
a. Mike(2)
b. Tim(3)
c. Helen2．判断正(T)误(F)。
(1) It is Mike's birthday.
(2) This doll is nice.
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
