学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.65
所属科目:小学英语
Fill the blanks.用所给词的适当形式填空:
1、 This is _____(I) new classmate._____(she) name’s Sally.
2、That’s _____(we) English teacher.  _____(he) son is my classmate.
3、_____(I) deskmate is Jill._____(he) hair is long.
4、This is a cat.(it)______head is white.
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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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