(1)《草原》按照时间的顺序叙述,先描写草原奇丽、秀美的景色,再描述了牧民们欢迎远客、热情款待和主客联欢话别的情景。( )
(2)《丝绸之路》一文的开头与结尾相照应,使文章结构完整,浑然一体。( )
(3)袁鹰在《白杨》一文中直接歌颂了那些无私奉献的边疆建设者们。( )
(4)“把铁路修到拉萨去!”在文中反复出现了四次,它既是筑路大军的誓词,又是作者行文的线索。( )
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