学进去-教育应平等而普惠
试题
类型:改错
难度系数:0.65
所属科目:小学英语
下列各句中均有一处错误,请指出并改正
[[QOrDeR]]What'sthe mattertoyou? (_____________
A      B       C  D
【小题2】My father ofteneatstoo manyfood._____________
A   B   C      D
【小题3】We aretired, so we want to have rest. (_____________
A   B   C      D
【小题4】If you want to stay health, you must take some exercise. (_____________
A      B        C             D
【小题5】The old manmightis a doctor. (_____________
A  B  C    D
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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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