( )⑴ | A. you | B. from? | C. Where | D. are |
( )⑵ | A.friend. | B. is | C. This | D. my |
( )⑶ | A. to | B. Nice | C. you! | D. meet |
( )⑷ | A. I | B. China. | C. from | D. am |
( )⑸ | A. a fish. | B. The red | C. is | D. one |
( )⑹ | A. it! | B. fly | C. Let’s | |
( )⑺ | A. see? | B. you | C.How many dogs | D. can |
( )⑻ | A. a | B. new doll. | C. have | D. I |
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