( ) 1. A. are B. is C. am D. be
( ) 2. A. down B. up C. together D. out
( ) 3. A. when B. if C. unless D. until
( ) 4. A. rich B. strong C. real D. poor
( ) 5. A. find B. enjoy C. need D. think
( ) 6. A. look B. see C. wear D. take
( ) 7. A. money B. paper C. coin D. meat
( ) 8. A. look B. get C. grow D. put
( ) 9. A. to B. of C. on D. with
( ) 10. A. worse B. longer C. shorter D. better
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