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1．Afternoon tea is taken between ________.
| A．three and four | B．four and five | C．two and three |
| A．it is necessary for you to tell that you are coming |
| B．you should wait for his invitation |
| C．it is unnecessary for you to wait for his invitation or tell that you are coming |
| A．in the sitting room | B．at a table | C．in the kitchen |
| A．tea only | B．tea and some food | C．tea, dessert and meat |
| A．not to help yourself to eat cake first |
| B．not to share a cup with your friend |
| C．do not put more than one piece of bread or cake on your plate at the same time |
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
