(1)万里长城逶(wéi wēi)迤连绵,气势磅(páng bàng)礴(bó bò),吸引了不少游客前来参观。
(2)望着那盏忽明忽暗的煤油灯, 听着隆(lóng lōng)隆的雷声,他想起了在围歼(qiān jiān)战中,战士们的脸都绷(běng bēng)得紧紧的,怒视着敌人的场景;他也想起了白天在旗帜(zhī zhì)下的誓言,不觉陷入了对未来的憧(chōng tóng)憬里。

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

