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17.Grace needs to buy some flowers for her grandma. (改为否定句)Grace
18.The stall in the middle sells frozen chicken wings. (对划线部分提问)
19.Do you want to go shopping this Sunday? (保持原意不变)
20.My mum has bought some cherries. (对划线部分提问)
21.Would you like some coffee? Would you like some milk? (两句合并成—句)Would you like some coffee
22.We have bought some ice cream in the supermarket. (对划线部分提问)
23.Kitty has spent 40 yuan. (对划线部分提问)
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
