学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.64
所属科目:小学英语
选词填空。
from.in.at.to.with.on.of.about.by. over.
[[QOrDeR]]read books _________the morning.
【小题2】He learns English _______singing.
【小题3】School is_______. Let’s go home.
【小题4】Iwant_______go to sleep.
【小题5】I have lunch_______12:00.
【小题6】This is a picture _________my family.
【小题7】I do homework_____________30 minutes .
【小题8】My mother reads some stories ________me.
【小题9】This is a story ________ Chang’e.
【小题10】She is _________Canada.
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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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