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821．Be at your best! What does your brain need to work well？Here are some things it needs．
Good food
Experts say that breakfast is much more important than any other meal．（1）．So don't miss breakfast - especially before an exam!But you need to eat a good breakfast - junk food won't work．
A regular supply of energy
Your brain needs a regular supply of energy，so you need to eat carbohydrates．They're found in bread，rice，pasta and beans． （2）．They work more quickly than bread and rice，so they give you a short burst （爆發(fā)） of energy，but afterwards you feel more tired．
A continuous supply of oxygen （氧氣）
Your brain needs oxygen，which it gets from exercise． （3）．You also need a good supply of iron because iron helps your blood to carry oxygen round your body．
Water
（4）．Not getting enough water will stop your brain from working well．And remember，water isn't as expensive as sweet drinks!
（5）
Your brain needs several hours' sleep，so it can 'update' itself，just like a computer．Experts say that when you study for a test or an exam，you should get some sleep as quickly as possible after you've finished studying．This helps you to remember what you've learnt．
A．A short break
B．A good night's sleep
C．It works best in the morning
D．Exercise improves your memory too
E．Water is much better than sweet drinks
F．Your brain works better when you have eaten
G．Chocolate，biscuits and sweets are not good for your brain發(fā)布：2024/10/30 17:0:1組卷：59引用：3難度：0.5822．Please write down the name of the hotel for future r
.發(fā)布：2024/10/30 15:0:2組卷：10引用：3難度：0.7823．When Peter speaks in public，he always has trouble
（think） of the right things to say．發(fā)布：2024/10/30 13:30:1組卷：12引用：3難度：0.6824．浮沉；興衰；榮辱
發(fā)布：2024/10/29 12:30:2組卷：5引用：9難度：0.7825．Earthquakes happen without warning（前兆）.They can happen any time of a day，at any point during the year.But don't worry because most are so weak that they cannot be felt.Only a few big ones hurt people.However，it's important to know what to do when an earthquake is happening.
Do not go outside.You could get injured from falling glass or parts of buildings.If you are outside，stay away from buildings and power lines （輸電線）.
Stay under a desk，table，or other strong furniture.Hold on to it.Or stay in a corner of the building.Cover your face and head with your arms and cover your mouth with a towel or clothing.Stay inside until shaking stops and it is safe to go outside.
Keep away from windows，pictures or advertisements on the wall or the building，and anything else that could fall and hurt you.Most people get injured by falling things during an earthquake，not by the shaking itself.
Also keep away from a fire.You could fall down and burn yourself in the fire.
If you are driving when an earthquake happens，stop the car if it's safe.Stay inside your car until the earthquake stops，and don't drive near bridges.Try not to stop by power lines or trees.These could fall and hurt you.
（1）Most earthquakes are tooto hurt people.
A．strong
B．weak
C．dangerous
D．heavy
（2）From the passage，when an earthquake is happening，we should.
A．stay under a big building
B．stay under a strong furniture
C．stand by windows
D．drive near a big bridge
（3）It isn't safe for you towhile the earthquake is happening.
A．run out of the building
B．stay in a corner of the building
C．cover your head with your arms
D．cover your mouth with a towel
（4）What's the main idea of the passage？
A．How dangerous the earthquake is.
B．How to be safe in an earthquake.
C．We shouldn't be afraid of the earthquake.
D．How the earthquake comes into being.發(fā)布：2024/10/29 12:30:2組卷：5引用：1難度：0.5826．Voyages of people from England play an important part in（1）
（spread） the English language.Nowadays，English is frequently spoken as（2）official or common language in many countries，such as America，Singapore，Malaysia and some African countries，all of（3）are based on British English.The English spoken in these countries can（4）（understand） well by native English speakers.But actually，these （5）（English）have been changing gradually in accents，spellings，expressions and the usage of vocabulary.Because of this fact，you can make use of the differences（6）（tell） which country the foreigners of your block are from.For example，if a boss（7）（fluent） commands his driver， "Come up straight to my apartment by elevator and take some gas for my trucks and cabs"，instead（8）requesting，"Please come to my flat by lift and take some petrol for my lorries and taxis"，you can recognize（9）（he） American identity while the latter（10）（suggest） that he is British.發(fā)布：2024/10/29 10:0:1組卷：71引用：3難度：0.5827．Would you like to with us to the film tonight？（ ?。?/h2>
發(fā)布：2024/10/29 9:30:1組卷：243引用：8難度：0.9828．
n．廣告→v．登廣告發(fā)布：2024/10/29 9:0:1組卷：0引用：5難度：0.9829．Do you remember a time when you had no worries stopping you from getting a good night's rest？（1）
（fortunate），your happy childhood is probably a thing of the past.
A recent survey has found that many people suffer（2）sleep problems.Some are unable to fall（3）（sleep），some wake up in the middle of the night，and others simply do not get enough sleep.One of the reasons why people fail to get a good night's sleep（4）（be）pressure from school or work.Noise pollution and light pollution in big（5）（city）may also contribute to sleep problems.In the short term，people with sleep problems often feel tired and have trouble（6）（concentrate）.In the long term，they may be at increased risk of having（7）poor memory，being overweight and suffering a heart attack.Sleep problems are especially dangerous for teenagers.They are still growing，and night is the time when（8）（they）bodies grow faster.Teenagers who do not get enough sleep may experience situations（9）body development slows down，and their health suffers.
So，if you have a sleep problem，it might be time（10）（make） some changes in your lifestyle.發(fā)布：2024/10/29 9:0:1組卷：318引用：8難度：0.9830．The dancers gave the performance
（graceful） on the stage．發(fā)布：2024/10/29 7:30:1組卷：24引用：3難度：0.7
