(____) 1. A. naughty B. bird C. clever D. cute
(____) 2. A. girl B. little C. good D. bad
(____) 3. A. sister B. brother C. friend D. Panpan
(____) 4. A. cool B. Ms. Smart C. Parrot D. Xiaoyong
(____) 5. A. she B. he C. your D. I
(____) 6. A. be B. is C. are D. am
(____) 7. A. this B. that C. when D. these
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