Daming has a cousin. His name is Simon. He lives in New York. He likes riding a bike and reading books. Simon's family invited( 邀请 )Daming to visit America, Daming meets Laura there. She's Simon’s friend. She wants Daming to be her Chinese pen friend. She can’t write in Chinese, but Daming can write in English.
1.Daming is from America.2.Simom is Daming's brother.
3.Simon likes reading books.
4.Laura wants Daming to be her pen friend.
5.Simon lives in the UK.
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