Wang Jun is my good friend. He is ten. He has short hair. He has big eyes and big ears. He has a small nose and a big mouth. He is quiet and friendly. He has a big schoolbag. It’s blue. Many books, a notebook, a pencil box and some keys are in it.
1.Wang Jun is _______ years old. ( )A.8 | B.9 | C.10 |
A.small; big | B.big; big | C.big; small |
A.quiet and friendly | B.short and thin | C.tall and strong |
A.long hair | B.a small mouth | C.a big schoolbag |
A.Many books and some toys. |
B.Many books, a notebook, a pencil box and some keys. |
C.Many books and some pens. |
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