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Thank you for your letter! We are so glad to be your pen friends. We have lived in China for a long time. We have lots of Chinese friends here. They asked us to invite (邀请) you to come here. Amy and I are family, but we have different hobbies. I like flying kites. I bought many Chinese kites. Look, there’s a photo of me. I’m holding a dragon kite. Amy likes Barbie dolls. She has got many kinds of (种类) Barbie dolls.
We are waiting for your coming.
From,
Sam
1．Laura is Sam and Amy’s2．Sam and Amy are
3．Sam’s hobby is
4．In the photo, Sam is
5．Amy has
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
