Last Sunday my father and I went to visit his parents, Mr. Grand and Mrs. Grand. They were very glad to see me. Mr. Grand gave me some presents. They were fruits and they were very delicious. I gave him a toy plane. Mr. Grand said it was a nice present and I was a clever boy, because I made it myself.
( ) ⑴ Mr. Grand and Mrs. Grand are my parents.
( ) ⑵ Mr. Grand gave me some fruits.
( ) ⑶ I liked Mr. Grand’s presents.
( ) ⑷ I bought a toy plane for Mr. Grand.
( ) ⑸ Mr. Grand liked my present, too.
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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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