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The New Year's Eve party was going on when the bell rang. A tall man opened the door and came in. Nobody knew him, but the host went over and took him in. The man sat there happily for an hour and drunk. Then he said, “No one invited me to this party. I don't know you, or anyone else here. My wife and I wanted to go out in our car, but one of your friend's cars was in front of our gate, so I came here to find him, and my wife is still waiting in our car!”
1．When did the story happen? （ ）A．At 7:00  | B．In December | C．On New Year's Eve | D．When the bell rang |
| A．time bell | B．doorbell | C．church bell | D．bell for class |
| A．one of his friend | B．his brother | C．his classmate | D．his teacher |
A．a long time  | B．two hours | C．a half hour | D．an hour |
| A．happy | B．surprised | C．worried | D．afraid |
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
