1.《小池》写了( )景物。
A.荷花和蜻蜓 | B.荷叶和蜻蜓 |
A.高处 | B.低处 |
A.因为下雨前,空气很潮湿,燕子的翅膀沾了小水珠,所以低飞。 |
B.因为下雨前,空气很潮湿,虫子的翅膀沾了小水珠,飞不高,燕子要捉虫,所以低飞。 |
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