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
按要求改写句子。
[[QOrDeR]]The sign means “Don’t climb”. (改为一般疑问句并做肯定回答)
__________ the sign __________ “Don’t climb”?
__________,it __________ .
【小题2】We can see “No swimming”in the park.(对划线部分提问)
__________ can_________ see the sign “No fishing”?
【小题3】I can see some signs at the shopping centre.(改为否定句)
I  _________see  _________ signs in the Museum.
【小题4】What does that sign mean?(改为复数句)
What__________  _________  _________mean?
【小题5】It means“No eating or drinking”. (对划线部分提问)
_________ _________ it mean ?
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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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