A. B. C. D. E. F.
1.It has got no hands and no legs. It has got a mouth and two eyes. It can't walk, but it swims fast. (_______)
2.It is a small animal. It has got eight legs. It can make webs(织网). It eats other smaller insects(昆虫). People sometimes see it at the corner of walls. (_______)
3.It has got a long neck. It can bend its neck. It has got four long legs. It eats leaves. It is brown and yellow. (_______)
4.It is a lovely animal. It has got four legs, long ears and a short tail. Its eyes are red. It likes vegetables. It eats grass, too. It can jump. (_______)
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