高考英语二轮高考倒计时30天复习资料第2天.doc
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1、.常考句型【句型1】 as if/though“仿佛,好像”仿写:王先生讲起话来就像个外星人一样。Mr.Wang speaks as if/though he were from some other planet.【句型2】It is strange that.“真奇怪”仿写:真奇怪,他这次考试竟然没有及格。It is strange that he should have failed in this exam.【句型3】It doesnt matter whether.“无关紧要”仿写:你来不来无关紧要。It doesnt matter whether you will come or
2、not.完形填空Lead poisoning (铅中毒)occurs when lead is present in high levels in the blood of a person.It is one of the most common medical problems found in children.And its important to recognize the presence of lead in childrens bodies because lead is very harmful.Children have the tendency to go around
3、 and put things in their mouths like paint peelings.This is one of the main causes of lead poisoning.It has also been found that children born in poor families have higher chances of getting exposed to lead.Some of the common symptoms of lead poisoning in children are headaches,stomach pains,hair lo
4、ss,muscle weakness,and weight loss,etc.Lead poisoning can have severe effects and can lead to heart diseases,kidney diseases and neurological(神经系统的) problems.It can also result in mental dullness and a low IQ level.There have been cases where lead poisoning proved to be terminal for children.Its dif
5、ficult to easily recognize whether a child is affected by lead poisoning,as the symptoms of this disease can occur due to some other medical problems.Therefore,children under the age of 6 should regularly be checked to know the level of lead in their blood through blood tests.Its possible to complet
6、ely cure a child with lead poisoning through treatment.Usually the oral medicine chelator(螯合剂)is given to the children.Sometimes,children are given an injection(注射) for reducing the lead level.Children who have very high level of lead in their blood would need treatment for a long period of time and
7、 would also be put on a special diet.Parents have to take certain precautions to lower the chance of lead poisoning in children.Cleaning the house regularly and removing shoes at the door after coming in from outside will prevent the lead particles from entering the house.Children should be put on a
8、 healthy diet,containing high proportions(比例)of calcium and iron,such as eggs,milk,fruits,potatoes,etc.which helps to keep the lead levels in control,in the childrens bodies.In short,its a must to be cautious and careful,and protect your children from the horrible consequences of lead poisoning.Lead
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