公共英语考试三级阅读理解模拟题：
　　When a rare disease ALD threatened to kill the four-year-old boy Lorenzo,his parents refused to give up hope.Doctors explained that there was no cure for ALD,and that he would probably die within three years.But Lorenzos parents set out to prove the doctors wrong.
　　The parents devoted themselves to keeping their son alive and searching for a cure.But doctors and the families of other ALD patients often refused to take
　　them seriously.They thought the efforts to find a cure were a waste of time,and drug companies werent interested in supporting research into such a rare disease.
　　However,the parents still refused to give up and spent every available hour in medical libraries and talking to anyone who would help.Through trial and error(反复实验),they finally created a cure from ingredients(调料)
　　commonly found in the kitchen.The cure,named"Lorenzos Oil",saved the boys life.Despite the good results,scientists and doctors remained unconvinced.They said there was no real evidence that the oil worked and that the treatment was just a theory.As a result,some families with ALD children were reluctant to try it.
　　Finally,the boys father organized an international study to test the oil.After ten years of trials,the answer is:the oil keepsALD children healthy.
　　1、From the passage we can conclude that
　　A.doctors remain doubtful of the effectiveness of the cure
　　B.many ALD patients still refuse to use the oil
　　C.various cures have been found for ALD
　　D.the oil really works as a cure for ALD
　　参考答案：D
　　参考解析：事实细节题。文章末句说After ten years of trials，the answer is the oil keeps ALD children healthy.(长达10年的试验最终证明：这种药物能使ALD病患儿童恢复健康。)可见这种药物对ALD具有治愈效果。
　　2、Doctors said that Lorenzo might die within three years because.
　　A.they had never treated the disease before
　　B.Lorenzo was too young to be,cured
　　C.no cure had been found for ALD
　　D.ALD was a rare disease
　　参考答案：C
　　参考解析：事实细节题。文章首段第二句Doctors explained that there was no cure for ALD，and that he would probably die within three years.(医生解释说当前还没有治疗ALD的药，因此他很可能在3年内死亡。)因此选C)。
　　3、Scientists and doctors believed that Lorenzos Oil
　　A.was really effective
　　B.was a success story
　　C.only worked in theory
　　D.would save the boys life
　　参考答案：C
　　参考解析：事实细节题。文章第三段倒数第二句说They said there was no real evidence that the oil worked and that the treatment was just a theory.(他们说没有确凿的证据证明Lorenzos oil对这种疾病有疗效，这仅是理论上的治疗方法。)因此选C)。
　　4、The families of other ALD patients thought that.
　　A.the research for the new cure would cost too much money
　　B.the efforts of Lorenzos parents were a waste of time
　　C.Lorenzos parents would succeed in finding a cure
　　D.Lorenzos oil was a real cure for ALD
　　参考答案：B
　　参考解析：事实细节题。文章第二段末句说They thought the efforts to find a cure were a waste of time…(他们认为寻找治疗ALD的方法只是在浪费时间…)因此选B)。
　　5、Lorenzos father organized an international study to
　　A.test Lorenzos Oil
　　B.get financial support
　　C.find a cure for the disease
　　D.introduce the cure worldwide
　　参考答案：A
　　参考解析：事实细节题。文章末段首句说the boys father organized an international study to test the oil.(孩子的父亲组织了一个科研小组来检测这种药的疗效。)这种药即指Lorenzos oil，因此选A)。
　　参考译文：
　　当一种罕见的疾病威胁要杀死4岁的男孩洛伦佐时，他的父母拒绝放弃希望。医生解释说，没有治愈ALD的方法，他可能在三年内死去。但是洛伦佐的父母试图证明医生错了。
　　父母们竭尽全力让儿子活着，并寻找治愈方法。但是医生和其他ALD患者的家属经常拒绝服用。
　　他们认为寻找治疗方法的努力是浪费时间，制药公司对支持对这种罕见疾病的研究不感兴趣。
　　然而，父母仍然拒绝放弃，他们把每个可用的时间都花在医学图书馆里，和任何愿意帮助的人交谈。
　　这种名为“洛伦佐斯油”的疗法在厨房里很常见。它挽救了男孩的生命。尽管效果不错，科学家和医生仍然没有说服力。他们说没有确凿的证据表明这种油起作用，而且这种疗法只是一种理论。结果，一些患有ALD儿童的家庭重新生病。试试看。
　　最后，男孩的父亲组织了一项国际研究来测试这种油。经过十年的试验，答案是：这种油能使ALD儿童保持健康。