学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.64
所属科目:小学英语
选择适当的单词填空后组成正确的短语,并将短语译成中文。(不能重复使用)
brightest, hungry, peach, socks, supper, clean, photos
(1) a___________ dog                        ___________________________
(2) three___________ trees                    ___________________________
(3)take off your___________                   ___________________________
(4)the___________ light                     ___________________________
(5)have___________                         ___________________________
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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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