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Rules in the Reading Room
1. The reading room is open from 8:00 a.m. to 5:00 p.m. every day.
2. You can only go into the reading room with your student card.
3. Don’t take your bag into the reading room.
4. Don’t talk loudly in the reading room.
5. Don’t take food or drinks into the reading room.
6. Take only one book at a time. After you finish reading the book, you must put it back and then you can take another one. Don’t take many books to your seat.
7. Before you leave, you must return the book to the bookshelf. You can’t take any book out of the reading room.
1．The reading room is open _______. ( )
| A．from 9:00 a.m. to 6:00 p.m. | B．from 8:00 a.m. to 5:00 p.m. |
| C．from 8:30 a.m. to 5:00 p.m. | |
| A．our ID cards | B．our student cards | C．our bags |
| A．can eat | B．can drink | C．can’t talk loudly |
| A．only one book | B．two books | C．many books |
| A．can take books home |
| B．must finish reading the book |
| C．must return the book to the bookshelf |
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
