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
用 “have/has”,“there is/there are” 或 “is there/are there” 填空。
[[QOrDeR]]I _______ a good father and a good mother.
【小题2】_______ a telescope on the desk.
【小题3】He _______ a tape-recorder.
【小题4】_______ a basketball on the playground.
【小题5】She _______ some dresses.
【小题6】They _______ a nice garden.
【小题7】What do you _______?
【小题8】_______ a reading room in the building?
【小题9】What does Mike _______?
【小题10】_____ any books in the bookcase?
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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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