学进去-教育应平等而普惠
试题
类型:连线题
难度系数:0.40
所属科目:小学道德与法治
① 能看到眼前的美丽景色                                           
②能用钢琴弹奏出欢快地旋律                                   
天生的本领                                                  ③能听到青蛙的叫声                                 
④能表演优美的舞蹈                                          
⑤能把发生的事情记录在日记本上                                   
⑥能闻到浓郁的花香                                                
后天学习的本领                                                                         ⑦能背诵课文                                                
⑧能够感受到夏天的炎热                                     
⑨能在冰面上滑冰                              
⑩能和同学一起打篮球                                 

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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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