(______)1. ton???? A.?吨???????? B.?十???????? C.?在上面
(______)2. shark??? A.?鲸??????? B.?鲨鱼??????? C.?鲤鱼
(______)3. strong??? A.?弱小的???? B.?重的???? C.?强壮的
(______)4. Egypt???? A.?俄罗斯???? B.?埃及????? C.?西班牙
(______)5. insect?? A.?昆虫????? B.鸟??????? C.?鱼类
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同类型试题
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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
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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
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