( )1.
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A. — Happy New Year! — Happy New Year!
B. — Look at my new jacket. — Oh, that's cool.
( )2.
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A. — This is my new friend Jim. — Glad to meet you,
B. — Let's go to see Jim. — OK. Let's go.
( )3.
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A. — I'm thin and tall. I'm Andy. — Pleased to meet you, Andy.
B. — I'm a fat and short boy. — Yes. And you're my good friend.
( )4.
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A. — Look at the elephant,— How big it is !
B. — Look at that monkey.
— It has a big mouth and a long tail.
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A. — Look at the man. (男人) — How strong he is!
B. — He looks like my uncle. — Oh, he's thin.
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同类型试题
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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
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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
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