6.Getting paid to stay in bed all day sounds pretty good.But what if someone offered you $23,000to stay in bed for two months?That's the deal that a medical research team in Toulouse,F(xiàn)rance,is offering to 24volunteers.Those volunteers must be men between the ages of 20 and 45 who are in perfect health and physically active.
Researchers at MEDES,the Institute of Space Medicine and Physiology,are looking for volunteers to help them study the effects of weightlessness on the human body by spending 60 days lying down.Lying in bed isn't exactly the same as being weightless,but the effects on the human body are similar.
When astronauts spend a long time in an environment with no gravity,like the International Space Station,their bodies are affected in many ways.After a couple of months on the ISS,astronauts'hearts don't beat as hard.Their muscles become smaller and weaker because they no longer have to work against gravity.Their bones may break more easily.There may also be changes in the astronauts'immune(免疫)systems and sleep habits.
Dr.Arnaud Beck,the doctor in charge of the study,said his goal is to measure the effects of weightlessness,and also to find ways to prevent problems.
The study will take 88 days altogether.During the first two weeks,the volunteers will be measured and tested about their levels of fitness and strength.Then they will spend 60days lying in bed with their heads slightly lower than their bodies.
They will have to do everything while lying down,including eating,brushing their teeth,and going to the bathroom.Dr.Beck said the rule is that they must have at least one shoulder touching the bed at all times.
Half of the volunteers in the study will be taking medicine containing special food supplements(補(bǔ)充物)several times a day to see if they help reduce the health problems caused by weightlessness.
The last two weeks of the study will be spent taking more measurements and trying to build up the subjects'strength again.
28.All the volunteers are required toA.
A.be healthy and energetic
B.stay in bed for 88days
C.take medicine several times a day
D.have only one shoulder touching the bed
29.What can we infer from the passage?D
A.Astronauts have to lie in bed when they are in the space station
B.The volunteers will have to do everything while lying down
C.The volunteers will live in an environment with no gravity
D.There are altogether three stages in the study
30.The passage is mainly aboutB.
A.the medical research on lying in bed
B.the medical research on weightlessness
C.the study on astronauts'bodies and health
D.the study on young men's fitness and strength.
分析 本文主要介紹了關(guān)于科學(xué)家想要研發(fā)藥物,來減輕失重的影響所做的實(shí)驗(yàn)內(nèi)容.
解答 28.A.細(xì)節(jié)理解題.由第一段Those volunteers must be men between the ages of 20 and 45 who are in perfect health and physically active,這些志愿者必須是年齡在20到45歲之間的男性,且他們的健康狀況和身體狀況都很好,故選A.
29.D.理解推斷題.由第五段During the first two weeks,the volunteers will be measured and tested about their levels of fitness and strength.和最后一段The last two weeks of the study will be spent taking more measurements and trying to build up the subjects'strength again.可知這項(xiàng)研究分為測(cè)試志愿者適應(yīng)力和體力、服用食品補(bǔ)充劑后做更多測(cè)試、重建體力三個(gè)階段,故選D.
30.B.主旨?xì)w納題.由文章內(nèi)容可知,本文主要介紹了關(guān)于科學(xué)家研發(fā)藥物來減輕失重的影響所做的實(shí)驗(yàn)內(nèi)容,故選B.
點(diǎn)評(píng) 科教類閱讀難度比一般閱讀較大,它存在的生詞比較多,因此考生應(yīng)當(dāng)綜合略讀、跳讀和查讀,猜詞等閱讀技巧來做題,平時(shí)也應(yīng)加強(qiáng)練習(xí).