Tired 疲惫的

When you feeltired, your brain is sending a signal that your energy is low.
If a person staystiredfor more than 2 hours, the cortisol level can become very high.
This feeling is like a phone going into low power mode at 20% battery.
A study found a 15-minute nap can help atiredbrain reset.
Watching the face of a runner in the last part of a race shows how people fighttiredness.
Taking a rest early when you feeltiredhelps you recover three times faster than waiting until you are verytired.

疲惫是大脑发出的能量储备不足信号。
当人感到疲惫的状态持续超过2小时，皮质醇水平会异常升高。
这种感受如同手机电量降至20%时的强制节电模式。
研究发现，15分钟的小睡就能重置疲惫的大脑状态。
观察长跑运动员最后冲刺时的表情变化，就是对抗疲惫的鲜活教材。
学会在疲惫初期及时休息，比耗尽后才恢复效率高出3倍。

配套练习? tired /?ta??d/

?? 完形填空（Cloze Test）

When you feel ______, your brain is telling you that your energy is low.
(a. tired / b. brave / c. nervous)

If a person stays tired for more than two hours, their ______ can become very high.
(a. speed / b. cortisol / c. color)

This feeling is like a phone going into ______ mode at 20% battery.
(a. airplane / b. music / c. low power)

A short nap of 15 minutes can help a tired ______ reset.
(a. brain / b. room / c. bag)

Resting early can help you recover three times ______ than waiting until you are very tired.
(a. slower / b. later / c. faster)

? 判断题（True or False）

Tired means you have a lot of energy. A person’s cortisol can go higher if tiredness continues for more than 2 hours. Watching a runner’s face can show how they fight tiredness. Resting in the early stage of tiredness is less helpful than resting when you are very tired.

?? 连词成句（Sentence Ordering）

brain / reset / tired / nap / a / can / 15-minute / help / a fight / can / tiredness / people / the / of / end / race / at / a recover / resting / can / three times / faster / early / help / you

练习答案?

完形填空

a. tired b. cortisol c. low power a. brain c. faster

判断题
6. False
7. True
8. True
9. False#p#分页标题#e#

连词成句
10. A 15-minute nap can help a tired brain reset.
11. People can fight tiredness at the end of a race.
12. Resting early can help you recover three times faster.

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