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[[QOrDeR]]We canplant treesto keep the air clean. ( 对划线部分提问 )
can you to keep the air clean?
【小题2】They went toa restaurantyesterday evening? ( 对划线部分提问 )
did they yesterday evening?
【小题3】She visited her grandparents last week. ( 用 every week 替换last week )
She grandparents every week.
【小题4】He caught a big fish last Sunday. （改为否定句）
He a big fish last Sunday.
【小题5】Ben walks to school every day. （改为同义句）
Ben to school foot every day.
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
