学进去-教育应平等而普惠
试题
类型:句型转换
难度系数:0.00
所属科目:小学英语
沙场点兵。按要求改写句子,填入所缺的词。
1.She's my mother.(就划线部分提问)
is she?
2.She goes to the park on foot.(就划线部分提问)
she go to the park?
3.My sister is a student.(就划线部分提问)
your sister do?
4.My brother works in a hospital(就划线部分提问)
does your brother work?
5.His mather cleans streets.(改写同义句)
His mother a
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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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