()⑴ | A. thirty | B. thirteen | C. three |
()⑵ | A. twelve | B. twenty | C. tenty |
()⑶ | A. colour | B. clean | C.Chinese book |
()⑷ | A.English book | B. schoolbag | C. note book |
()⑸ | A.Chinese book | B. math book | C. story book |
()⑹ | A. 沉重的 | B. 有 | C. 肥胖的 |
()⑺ | A. 可以 | B. 许多的 | C. 男人 |
()⑻ | A. 给你 | B. 太多了 | C. 非常感谢 |
()⑼ | A. 松鼠 | B. 长队 | C. 安静的 |
()⑽ | A. 兔子 | B. 尺子 | C. 米饭 |
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