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1．can, he, about, find, out, books, in, science, the, library (?)
2．about, we, can, a, find, book, computers, there (.)
3．are, where, about, the, books, games, please (?)
4．can, find, about, where, you, out, food (?)
5．easy, a, it, with, is, computer (.)
6．let, go, to, us, the, library (.)
7．what, you, want, do, to, know (?)
8．you, about, where, England, out, can, find (?)
同类型试题
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
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
