学进去-教育应平等而普惠
试题
类型:匹配题
难度系数:0.85
所属科目:小学英语
找答语,把它的编号写在左边的括号中。
(_______) 1. Good afternoon.          

A.Good morning!
(_______) 2. What’s your name?

B.Fine, thank you.
(_______) 3. Hello!

C.Great!
(_______) 4. Goodbye!

D.Nice to meet you, too.
(_______) 5. Let’s go to school!

E.My name’s John.
(_______) 6. Good morning!

F.See you!
(_______) 7. How are you?

G.Good afternoon.
(_______) 8. Nice to meet you.         H. Hi!
(_______) 9. Let’s paint!            I. OK!
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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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