①一部好书,不但给人以知识②书是人类知识的结晶,是人类进步的阶梯③因此读书必须有选择④然而,也毋庸讳言,一些内容不健康的甚至反动的书读了只能使人精神颓废,受到损害⑤历史的文明要靠书籍来传播⑥而且能帮助养成优美的品德和情操,引导人们健康成长⑦人类的智慧要靠书籍来交流
A.①②⑤⑥④⑦③ | B.②⑤⑦①⑥④③ |
C.②⑤⑦③①⑥④ | D.⑤⑦②①⑥④③ |
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