学进去-教育应平等而普惠
试题
类型:句型转换
难度系数:0.64
所属科目:小学英语
句型转换:
[[QOrDeR]]This is his red bike. (同义句)
This             is       .
【小题2】The girlin the caris Alice.(就画线部分提问)
is Alice?
【小题3】Is there any money in your hand?(肯定句)
_________________________________________
【小题4】The Black family like Chinese very much.(同义句)
like Chinese very much.
【小题5】It’s time for break. (同义句)
It’s time                             .
【小题6】They arebrownboxes.(就画线部分提问)
they?
【小题7】These aretheirballs.(就画线部分提问)
these?
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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

用户名称
2019-09-19

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

用户名称
2019-09-19
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