学进去-教育应平等而普惠
试题
类型:匹配题
难度系数:0.65
所属科目:小学英语
从第二栏中找出第一栏的回答,将序号填入提前括号内。
I                                       II
______)1  Is it a crayon?                         A  I’m Mike.
______)2  Go to bed, please.                      B  Good night,Mum.
______)3  Where is your brother?                 C  Yes, Miss Li.
______)4  What’s that?                           D  He’s my friend.
______)5  Don’t run in class!                    E  She’s a teacher.
______)6  Who’s he?                              F  No, thank you.
______)7  What’s your mother?                    G  Yes, it is.
______)8  What’s your name?                      H  I’m sorry.
______)9  Would you like some milk?              I  He’s behind the door.
______)10  Look at the blackboard.                 J  It’s a robot.
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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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