( ) 1. A. cousin B. danger C. aunt D. grandma
( ) 2. A. grass B. tree C. flower D. bird
( ) 3. A. second B. three C. fourth D. fifth
( ) 4. A. October B. May C. January D. Wednesday
( ) 5. A. remember B. camera C. Walkman D. radio
( ) 6. A. pick B. beach C. farm D. camp
( ) 7. A. relative B. delicious C. favourite D. popular
( ) 8. A. mine B. your C. hers D. theirs
( ) 9. A. visited B. got C. went D. did
( ) 10. A. wallet B. comb C. sunny D. teapot

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

