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
选出与句子中画线单词对应的选项,将其序号写在括号里。

A.long

B.thin

C.small

D.short
E.black
(____) 1. The elephant is big.
(____) 2. The pencil is short.
(____) 3. Tom's father is very fat.
(____) 4. My brother is tall.
(____) 5. The fox is white.
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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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