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Last Sunday I went to the supermarket with my parents. We walked there. On the way, we met John. He went to the supermarket, too. John and I are in the same class. In the supermarket, we bought lots of food, including two bags of sweets, two kilos of noodles, five cakes and so on. And John bought a book about animals for his sister.
1．Last Sunday I went to the park with my parents. （2．We went to the supermarket by bus. （
3．John and I are classmates. （
4．John and his parents went to the supermarket, too. （
5．John and I bought many books. （
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
