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At one o’clock in the afternoon, Jack is having lunch with his classmate Peter. Peter is very fat. He likes delicious(美味的) food and eats a lot(许多). They sit at a table. They buy some nice things to eat. After lunch they eat some other food. “We could go now, Peter.” Jack says, “We are here for a long time. It’s three o’clock now.” “Oh, no. We can’t leave(离开) now, Jack. It’s time for tea.”
1．Jack and Peter are ______. ( )| A．sisters | B．classmates | C．twins |
| A．swimming | B．drawing | C．eating |
| A．Skating. | B．Having lunch. | C．Playing football. |
| A．Two hours(小时). | B．One hour. | C．Three hours. |
| A．Yes, he does. | B．No, he doesn’t. | C．He wants to drink some tea. |
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
