Directions: Read the following passage. Complete the diagram/Fill in the numbere
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Directions: Read the following passage. Complete the diagram/Fill inthe numbered blanks by using the information for the passage. Write NOT MORETHAN 3 WORDS for each answer.
Lead poisoning （铅中毒）happens when lead is present in high levels in the blood of aperson. It is one of the most common medical problems found in children. And it’simportant to recognize the presence of lead in children’s bodies because leadis very harmful.
Children often go around and put things in their mouths like paintpeelings. This is one of the main causes of lead poisoning. It has also beenfound that children born in poor families have higher chances of gettingexposed to lead.
Some of the common symptoms of lead poisoning in children areheadaches, stomach pains, hair loss, muscle weakness, and weight loss, etc.
Lead poisoning can have bad 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 I . Q.level. There have been cases where lead poisoning proved to be terminal for children.
It’s difficult to easily recognize whether a child is affected bylead poisoning, as the symptoms of this disease can occur due to some othermedical problems. Therefore, children under the age of 6 should regularly bechecked to know the level of lead in their blood through blood tests. It’spossible to completely 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 treatmentfor a long period of time and would also be put on a special diet.
Parents have to take certain precautions(预防) to lower the chance of leadpoisoning in children. Cleaning the house regularly and removing shoes at thedoor after coming in form outside will prevent the lead particles from enteringthe house. Children should be put on a healthy diet, containing highproportions（比例）ofcalcium and iron, such as eggs, milk, fruits, potatoes, etc.Which helps to keepthe lead levels in control, in the children’s bodies.
In short, it’s a must to be cautious and careful, and protect yourchildren from the horrible results of lead poisoning.
LeadPoisoning in Children| （1.） .
| ·Children’s going around and putting things in their mouths. ·High chances of（2.） lead.
|
| （3.）
| •Headaches, stomach pains, hair loss, muscle weakness, and weight loss, etc. |
| Effects | ·Lead to heart diseases, kidney diseases and neurological problems. ·（4.） mental dullness and a low I. Q. level.
|
| Treatment | ·Make children take the chelator or（5.） to reduce the lead level. ·Put children with a very high lead level on （6.）
|
| （7.）
| ·（8.） regularly and remove shoes at the door after coming in from the outside. ·Let children eat healthy food which contain（9.） of calcium and iron.
|
| （10.）
| ·You must be cautious and careful to protect your children from lead poisoning.
|
试题答案
【答案】
1.Causes
2.Blood/getting exposed to
3.Symptoms
4.Result in
5.Aninjection
6.a special diet
7.Suggestions
8.Clean the house
9.high proportions
10.Conclusion