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Mike: Nice to meet you, Lisa.
Lisa: Nice to meet you too.
Tom: Lisa has two white puppies.
Mike: Wow, where are they?
Lisa: Look, they are here, in the kitchen.
Mike: What lovely puppies! What are their(他们的) names?
Lisa: Ben and Sam.
1．Tom and Mike are ______. ( )
| A．twins | B．brothers | C．friends |
| A．in Tom’s house | B．in Lisa’s house | C．in Mike’s house |
| A．Mike | B．Tom | C．Lisa |
| A．brown | B．white | C．black |
| A．dogs | B．cats | C．birds |
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
