学进去-教育应平等而普惠
试题
类型:选择题
难度系数:0.85
所属科目:小学英语
Read and write the letter(朗读,并填写字母)
A. Yes, I did.
B. My bag.
C. I feel sick.
D. It’ s usually sunny and warm.
E. He can sing English songs.
[[QOrDeR]]How do you feel? (_____
【小题2】What’s the weather like in Kunming? (_____
【小题3】Whose bag is bigger? (_____
【小题4】What can Mike do at the party? (_____
【小题5】Did you help them clean their room? (_____
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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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