1.春天来了,yuān yāng(_______) 睡在沙滩上,小燕子在空中飞行,ǒu ěr(_______)会lǜe(_______)过湖面,它们飞行的zī shi(_______)是那么优美。
2.将要开放的月季花 bǎo zhàng(_______)得 fǎng fú(_______) 要 liè kāi(_______)似的。
3.另有几只却在bō guāng lín lín(______)的湖面上 héng lǜe(_______)着,小燕子的yì jiān(_______) 或jiǎn wěi(_______), 偶尔沾一下水面,那xiǎo yuán yūn(__________) 便一圈一圈地dàng yàng(______) 开去。
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