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
听音圈词。
[[QOrDeR]]This is my___________. (desk seat )
【小题2】That is a______________. (dog cat)
【小题3】This is our___________. ( classroom book )
【小题4】This is a_______________. (dog cat )
【小题5】That is our_____________. ( teacher seat )
【小题6】Pen______pencil. (and. or)
【小题7】It’s______pen. (an. a)
【小题8】It’s______school bag. (my. I)
【小题9】What’s______? (this.that)
【小题10】It’s______eraser. (a. an)
【小题11】How old are_________. (you. your)
【小题12】________birthday. (Happy. How)
【小题13】A red kite_______you. (for. to)
【小题14】Stand________, please? (up. down)
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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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