1.你想知道自己的钢笔在哪里,应该问:
A.How beautiful! 2.你看到一只漂亮的鹦鹉,可以这样赞扬: | B.Where is my pen? 3.告诉别人铅笔盒在课桌里,应说: | C.Here you are. 4.告诉别人海伦不在这里,应说: | D.Helen isn’t here. 5.你把东西递给别人时可以说: | E.The pencil case is in the desk. |
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