学进去-教育应平等而普惠
试题
类型:连线题
难度系数:0.65
所属科目:小学语文
连一连。
(1)纯净             wēn nuǎn                       喜欢             fēi cháng
     告诉             lín jū                                     非常             xī huān
     温暖             chún jìng                       孤单             zhàn shì
     邻居             gào sù                                战士             gū dān
(2)折             积木                    春风             
                  纸船                    夏雨             
                  足球                    秋霜             
                  象棋                    冬雪             
                  故事                    山花             
(3)春回             齐放                    壮观的             小路
     百鸟             大地                    弯弯的             公路
     柳绿             争鸣                    宽宽的             雪莲
     百花             花红                    洁白的             天山
     万物             复苏                    美丽的             升旗仪式
(4)
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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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