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( )(1)A. They can run. B. Those are geese. C.They are lion cubs.
( )(2)A. No, they can’t. B. They can swim. C.Yes, they are.
( )(3)A. No, it can’t. B. It is a big tiger. C.It can jump through a ring.
( )(4)A. Yes, we can. B. No, they aren’t. C. No, they can’t.
( )(5)A. Yes, these are. B. Yes, it is. C. Yes, they are.
( )(6)A. Yes, they are. B. Yes, it is. C. Yes, it can.
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
