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we may spend an all night studying befor...

we may spend an all night studying before an important exam.We'll most probably rush to rescue a broken down friend in the middle of the nigh,  1. All that can leave you feeling unsure of how you're going to survive the day ahead.If you would like some helpful tips on how to stay alert,read on to find out more:

.Nap

This may seem obvious but it goes without saying that the antidote(解药)to tiredness is sleep. 2.

According to Dr David Dinges,editor of the journal SLEEP,a nap as short as 10minutes can be of benefit to you by moving the brain into slow-wave‘sleep.According to ranges,sleeping for longer than 40 minutes could leave you feeling slightly groggy(昏沉) upon waking,but this will soon wear off. 3.

. 4.

Though this is not a long term solution it does do the trick temporarily.The average person needs around 100-200 milligrams of caffeine.5.  The benefits will last for around three to four hours.

A.Caffeine doesn't work.

B.Drink caffeinated drinks.

C.Lack of sleep is becoming more and more common in our society.

D.If you haven't got time for 8 hours then try taking a short nap instead.

E.It will take around 15 to 30 minutes for it to come into effect.

F.Occasionally we are just unable to sleep because of anxiety.

G.You will feel sharper after that.

 

1.F 2.D 3.G 4.B 5.E 【解析】 试题分析:本文提出了如何在睡眠质量不好的情况下保持第二天的精力的几点建议。 1. 2. 3. 4. 5. 考点:考查信息匹配 【名师点拨】 高考七选五解题方法 1.通读全文,了解文章大意。这是一个泛读的过程,目的是了解文章大意,为以后的理解做铺垫。 2.分析句型,了解语法构成。 3.当我们了解了文章大意后,要明确每一个空是填一个整句子还是半个句子。这一点十分重要,它能够帮助我们迅速确定某些空的选项范围,比如,有一个空的结尾处没有标点符号,后文紧跟着一个句子的后半部分,很显然这时我们需要填的是半个句子,这时便可以在七个选项中找到是半个句子的选项,从而缩小选择范围。根据小题的位置以及上文的Nap小标题可以推断出此处也是填一个小标题,小标题应该较短,刻在A.B中挑选,再根据下文的描述可知咖啡因是有帮助的,故选B。 4.明确关联关系。任何句子都是要么和上文有联系,要么和下文有联系,要么和上下文都有联系。比如32小题,根据上一句:We'll most probably rush to rescue a broken down friend in the middle of the night 可知这是一个我们不能好好休息的原因。下句:All that can leave you feeling unsure of how you're going to survive the day ahead.可知上面两句想要表达的意思是一样的。因此可知在空格上表达的也是一个我们不能好好休息的原因。故选F,我们可能因为焦虑而不能好好睡觉。 5.带入通读,复查 做完题目切忌直接离开,这是我们很有必要将自己修正好的文章通读一遍,将其看做一片行文通顺语意连贯的文章来读,这是如果感到有含义不连贯的地方,很有可能是我们填错了空,就要复查了,注意:七选五的特点在于,错一道,往往还会错另外的一道或几道,我们叫做"连错",所以当你发现自己有一处填的有问题时,一定要同时检查其他空。
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  Dear Dr.Servaas,

I was diagnosed with histoplasrnosis(组织胞浆菌病)30 years ago .At that time, my doctor told me that it was lung fungus(真菌)that could affect my eyesight.This has happened·Can it affect other organs of the body?

F.Buongiorne

Delta Junction,Arkansas,

Most people have no symptoms resulting from the lung infection,explains histo expert Dr.L.Joseph Wheat,when symptoms do develop,they are usually mild and will disappear without treatment

In some cases,however,histo can spread from the lungs and cause more serious  problems.

“Histo is more severe in persons with diseases that reduce thcir immunity or who are receiving immunosuppressive(免疫抑制)medications,”says Dr.Wheat,"In such cases,histo can spread from lungs to other parts of the body.Patients with this type of histoplasmosis usually have constant fever,sweats,and weight loss·Excellent tests are available to diagnose this type of histo,and the treatment is highly effective·”

As mentioned by our Arkansas reader,eye problems accompanied by vision loss have been reported long after the first infection.

"Histo is thought by some to be a cause of spots on the back of the eye,called ‘histo spots’,”notes Dr·Wheat.“These injuries cause no problems in some patients, while in others they cause visual loss.There is no proof that histo causes these spots, however,as the organism is not found in the injured parts,and treatment for histo is  not effective for the eye spots.”

People catch histoplasmosis by breathing extremely small spores(孢子)of the  histoplasma fungus into their lungs·This fungus is commonly found in areas polluted by  bird or bat droppings such as caves,chicken cages,barns(谷仓),and under bridges.It will spread through the air during construction or whenever plowing,sweeping,or digging disturbs the soil.

1.What’s the problem with F.Buongiorne?

A.He has recently been diagnosed with his to.

B.He is having difficulty in breathing.

C.He is worried about his health.

D.He has become totally blind.

2.Which of the following is Dr.Wheat’s opinion about“histo"?

A.The disease is equally harmful to all people.

B.The disease will make people put on weight.

C.The disease won’t cause serious problems and no medicine is effective for it·

D.The disease doesn’t,t necessarily have a serious effect on every patient with it·

3.How is“histo" related to“histo spots"?

A."Histo spots" may not be caused by“histo".

B.Patients with“histo" will have“histo spots".

C."Histo spots" will cause visual loss to all patients.

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A.“histo" spreads through water

B."histo" originates from animals

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