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Dear editor£º
I'm writing to tell you about the discussion we've had about whether it is necessary for middle school students to carry mobile phones to school£®
Yours truly£¬
Li Hua£®
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I'm writing to tell you about the debate we've had whether£¨1£©it is necessary for middle school students to carry mobile phones to school£¨2£©£®ÎÒдПæËßÄã¹ØÓÚÎÒÃǾÙÐеÄÖÐѧÉúÊÇ·ñÓбØÒª´øÊÖ»úȥѧУµÄ±çÂÛ£®
£¨1£©whether Òýµ¼µÄͬλÓï´Ó¾ä£¬ËµÃ÷debateµÄÄÚÈÝ£®ÔÚÊéÃæ±í´ïÖÐ×ÔÈçÔËÓôӾäÊÇд×÷ÄÜÁ¦µÄÌåÏÖ£¬Í¬Î»Óï´Ó¾ä¾ÍÊÇÆäÖг£¼ûµÄ¸ß¼¶¾äÐÍ£®
£¨2£©It is necessary for sb£®to do sth£®¶ÔijÈËÀ´Ëµ×ö¡ÊÇÓбØÒªµÄ£¬ÆäÖÐit ÊÇÐÎʽÖ÷ÓÕæÕýµÄÖ÷ÓïÊǶ¯´Ê²»¶¨Ê½µÄ¸´ºÏ½á¹¹for sb£®to do sth£®£®
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However£¬most teachers think otherwise£¬arguing that middle school students are not old enough to control themselves£®È»¶ø£¬´ó¶àÊýÀÏʦ¿´·¨²»Í¬£¬ËûÃÇÈÏΪÖÐѧÉúÄê¼ÍÇᣬ²»ÄÜ×ÔÎÒ¿ØÖÆ£®
£¨1£©think otherwise=think differentlyÏë·¨²»Í¬£®£»¿´·¨²»Ò»Ñù£®
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½â´ð Dear editor£º
I'm writing to tell you about the debate we've had whether it is necessary for middle school students to carry mobile phones to school¡¾¸ß·Ö¾äÐÍÒ»¡¿£¨Ð´ÐŵÄÒâͼ£©£®
The majority of the students think that it is more convenient for them to keep in touch with their parents and classmates if they have a mobile phone£®And what's more£¬it's a fashion£¨´ó¶àÊýѧÉúµÄ¹Ûµã£©£®
However£¬most teachers think otherwise£¬arguing that middle school students are not old enough to control themselves¡¾¸ß·Ö¾äÐͶþ¡¿£®It is a waste of time for students to play games and send messages to each other by mobile phone£®And it's easy to cause the students to vie with each other£®If necessary they can make phone calls by using public phones on the campus£¨´ó¶àÊýÀÏʦµÄ¹Ûµã£©£®
In my opinion£¬following the fashion is understandable£®But as middle school students£¬we should put all our heart into our study£¨ÎҵĹ۵㣩£®
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Between 2 and 3 pounds of wonder£¬it controls everything we say£¬do or think£¬who we are and what we care about£®The way we walk or laugh or figure out things£®What we like and the talents we possess£®How we see and talk and run and jump and process our food£®
The brain uses 20 percent of our body's oxygen and 20 percent of its blood£®Somewhere within its protein£¬fat£¬100£¬000 miles of blood vesse ls and 100 billion nerve cells£¬it helps us remember where we put our gym shoes£®Change our temperature so we don't die because of the heat or cold£®Speed us up or slow us down£®Help us choose between orange juice or orangeflavored drinks£®
Its complexity£¨¸´ÔÓÐÔ£© are stunning£¬far beyond anything most of us can imagine£®To keep this work of art as polished as possible we need to eat right£¬exercise and keep mentally stimulated£®Good nutrition helps brain cells communicate with each other£®Exercise stimulates a hormone in our brain that improves memory£®Mental stimulation keeps you sharp even as you age£®
"It's very important that we tell people to be physically active and mentally active£¬"said neurologist Malcolm Stewart£®"People cannot stop aging£¬but you're able to reduce the damage£» you're able to keep the function up£®"
Following are Dr£®Stewart's advice for improving brain health£º
Nutrition | Avoid fast food£®Follow the old adage£¨¸ñÑÔ£©£ºFor breakfast£¬eat like a king£» for lunch£¬like a queen£» for supper£¬like a beggar£® |
Exercise | Do a combination of stretching aerobic and musclestrengthening every day£® |
Mental games | Try to have a sense of hope about the future£®Do puzzles£®Listen to music£®Reach out to others to make their lives better£® |
A£®inform us how the brain works
B£®show how special the brain is to us
C£®tell us that the brain plays an important role in our lives
D£®give us advice on how to keep the brain healthy
55£®The underlined word"stunning"meansA£®
A£®amazing ¡¡
B£®strange
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56£®According to the text£¬more exerciseC£®
A£®keeps our mind sharp
B£®gives our brain a rest ¡¡
C£®helps improve our memory
D£®is good for brain cells communicating with each other
57£®In order to keep brain healthy£¬we should avoidA£®
A£®eating a large supper
B£®doing puzzles
C£®eating a good lunch
D£®taking aerobic exercise£®
---No£¬I _____ my mother do housework all day£®£¨¡¡¡¡£©
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