学进去-教育应平等而普惠
试题
类型:排序题
难度系数:0.64
所属科目:小学英语
连词成句
(1)take,   I ,  a,   deep,   should,   breath. ( . )
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(2)worried,   the,   are,   Amy,   and,   dog. ( . )
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(3)what,   if,   angry,  feel,   I,   should,   do,   I( ? )
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(4)I,   should,   what,   do. ( ? )
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(5)going,   Robin,   grass,   is,   sit,   to ,  the,   on. ( . )
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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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