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学进去-教育应平等而普惠
试题
类型:选择题
难度系数:0.94
所属科目:小学英语
补全对话。(用所给出的句子把对话补充完整, 把编号填在横线上。)
A. How are you?
B. How tall are you?
C. I'm 153cm tall.
D. See you.
E. How heavy are you?
F. How old are you?
G. Are you taller than your brother?
Sarah: Hi, Mary. [[QOrDeR]]?
Mary: I’m fine, thank you.
Sarah: 【小题2】?
Mary: I’m 156cm tall. And you?
Sarah: 【小题3】. I’m 3cm shorter than you.
Mary: 【小题4】?
Sarah: I’m 45kg. I’m heavier than you.
Mary: Oh! It’s time to go home now. Goodbye.
Sarah: 【小题5】.
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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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