题目内容

5.A boy trembled(颤抖) in the cold winter,(61)wrapping (wrap) his arms around himself on a bus  stop bench.He wasn't wearing warm clothes and the temperature was-10℃.A heartbreaking scene!But the good deeds of the ordinary people who witnessed (62)the11-year-old Johannes were both joyous(快乐的)(63)and inspiring.A woman,sitting next to the boy,discovered he was(64)on a school trip and was told to meet his teacher at the bus stop.She selflessly(65)covered (cover) her own coat around his shoulders.Later,(66)another woman at first gave him her scarf,and then wrapped him in her large jacket.Throughout the day,more and more people offered Johannes their gloves and even the coats off their backs.(67)Actually (actual),it was a hidden camera experiment by Norwegian charity SOS Children's Village as part of their winter campaign to collect donations to help Syrian(68)children (child) get through the winter.Synne Ronning,the information head of the organization,also noted that the child was a volunteer (69)who  was never in any (70)danger (dangerous)  during the filming.

分析 这是一篇记叙文阅读.文章主要讲述了一个11岁男孩在汽车站得到好心人的帮助,通过这件事挪威SOS儿童村发起救助贫穷的孩子温暖过冬的活动.

解答 61.wrapping;考查分词作状语,句子的主语a boy是动词wrap的执行者,故用现在分词wrapping作伴随状语.
62.the;考查冠词.根据前文这个11岁的孩子应是第二次出现,故用the表示特指.
63.and;考查连词.结合上下文分析空格前后 joyous和inspiring是并列成分,故填and.
64.on;考查介词.根据下文的school trip应是进行,on a school trip进行学校郊游.故填on.
65. covered; 考查动词的时态,本文讲述的是过去发生的事情,故此处用一般过去式.
66.another;考查限定词.根据语境,分析句意为"又一个妇女…".故填another.
67.Actually;考查副词.分析句子结构可知此处应该用副词形式在句中作状语.
68.children;考查名词单复数用法.此处句意为"帮助叙利亚的孩子度过冬天",所以应该用复数形式.
69  who;考查定语从句,分析句子结构可知这是一个定语从句,先行词a volunteer 指人,做从句的主语,故关系代词用who.
70.danger;考查名词,in 是介词,后面跟名词构成短语in danger,意为"在危险中,有…的危险".

点评 语法填空是通过语篇在语境中考查语法知识的运用能力,在解题前应快速浏览短文掌握大意,在读懂短文的基础上,结合短文提供的特定的语言环境去逐句分析,逐题解答.

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2.Cut out part of a healthy person's liver and transplant it into a sick person--it sounds like a complicated and dangerous operation,not to mention very expensive.But it is sometimes the only possible cure for a seriously ill patient with liver disease.
Until now British scientists have just announced a new stem cell technique,which allows them to grow healthy liver cells outside human bodies.According to the researchers,it could be another five to 10 years before the technique can actually be used to help patients with liver disease.However,they say the method might one day replace liver transplants altogether.The study was led by the University of Cambridge and the Welcome Trust Sanger Institute,a British genomics and genetics research institute.It was published in the journal nature on October 12,2011.
The researchers took skin cells from a patient with a mutation (变异) in a gene called alphal-antitrypsin (a-l抗胰蛋白酶).This gene makes a protein that protects our bodies against inflammation (炎症).People with changed or damaged alphal-antitrypsin are not able to release the protein correctly from the liver,so the protein is trapped there and eventually leads to liver cirrhosis (肝硬化).
Scientists then used an advanced technique to cut away the faulty section of DNA from a stem cell and replace it with a corrected one,according to the journal.The stem cells went on to produce fresh and healthy liver cells with normal protein levels.Scientists put the new liver cells into mice and found that they worked very well.
Stem cells are the life source of all other cells in the body.They could transform medicine,providing treatment for blindness,spinal cord injuries and other serous injuries.They could also be used to produce new cells for damaged organs.
David Lomas,a Cambridge biology professor who worked on the team,said:"If we can use a patient's own skins cells to produce liver cells that we can put back into the patient,we may prevent the future need for transplantation."
71.what is the best title of this passage?D
A.How to transplant liver for patients      
B.A new way to transplant livers for patients 
C.The difficulty in curing liver patients       
D.New life for liver patients
72.The first paragraph is written toC.
A.show how difficult it is to cure liver disease 
B.tell us what a liver transplant involves   
C.introduce a potential cure for liver disease
D.show how serious liver disease can be
73.Why do some people get liver cirrhosis according to the article?C
A.Because their bodies are lacking in alphal-antitrypsin.
B.Because their skin cells are not able to protect against inflammation.
C.Because the alphal-antitrypsin in their bodies is changed or damaged.
D.Because their liver releases too high a level of protein.
74.According to British scientists,liver transplant mightA.
A.become history sooner or later
B.be replaced by a new stem cell technique in five years
C.be the only possible cure liver disease in the future
D.be prevented in the future
75.What can be inferred from the passage?D
A.Stem cells can keep liver cells healthy and fresh.
B.Equaling medicine,stem cells can cure blindness,spinal cord injuries and other serous injuries
C.Stem cells can replace the damaged organs.
D.All other cells in the body can't work well without stem cells.

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