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The best food for the brain(大脑) is sleep. If you don’t sleep well at night, you may not do things well in the daytime. Students need to sleep between 8 and 9 hours every night. To get about 9 hours of sleep, students need to go to bed at about 10 pm on weekdays.
Then how can you sleep well? Here is some advice for you:
| ﹡Don’t drink tea or coffee in the evening. ﹡Go to bed at the same (相同的) time every night, even at the weekend. ﹡Before sleep, your room should be quiet, comfortable and dark. ﹡Have some milk before sleep. ﹡Turn off your lights, computers or mobile phones in your room. |
| A．the brain likes sleep and food. |
| B．the brain needs food sometimes. |
| C．sleep is very good for the brain. |
| A．can sleep between 8 a.m. and 9 a.m. |
| B．can sleep 8 hours the next night |
| C．can’t do your things very well |
| A．意见 | B．建议 | C．计划 |
| A．Students need 8 to 9 hours’ sleep every day. ( ) |
| B．Go to bed late at the weekend. |
| C．Drink some milk before sleep. |
| A．how to sleep well |
| B．how long we should sleep |
| C．how to do things well in the daytime |
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
