题目内容
People can lose their hearing at any age before they are born, as infants, during childhood, or as【C1】______. Each age of onset has a different name and the deafness may have different【C2】______.
Prenatal deafness means that a baby is born deaf. There are several reasons【C3】______ this can happen. If parents are deaf, they may have a deaf baby. There are genes【C4】______ deafness that hearing parents can also【C5】______ on to their child. Other prenatal【C6】______ of deafness can include: accidents; medicine or drugs that the mother takes; illnesses; and genetic syndromes.
Genetic syndromes are a group of characteristics that a child【C7】______ from its parents. There are two very common types of genetic syndromes related to deafness. One is Waardenburg's Syndrome. Its characteristics are very【C8】______. The
person may have pigment (色素)【C9】______: a streak (条纹) of white hair; two different color eyes; or streaks of white in a man's【C10】______. It is【C11】______ to have the physical traits of Waardenburg's Syndrome but not be deaf.
Usher's Syndrome is also fairly【C12】______. Children with Usher's Syndrome are born with a hearing loss and later lose their【C13】______. The first symptoms of this genetic syndrome【C14】______ at【C15】______ A person with Usher's Syndrome will【C16】______ problems seeing well in the dark. Later, they will lose their peripheral (外围的) vision and see only within a tunnel area in front of them. This is called "tunnel vision." Persons may eventually lose more and more of their vision and become blind or【C17】______ blind. If you notice that a(n)【C18】______ person does not see you when you stand at his or her【C19】______, that person may have this syndrome. The best way to communicate with a person who has Usher's Syndrome is to stand directly in front and to sign【C20】______.
【C1】
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A．The Websters must give Mary back to her birth mother.B．The judge told the Websters t
听力原文： Welcome to today's news segment, highlighting business opportunities on the Internet. One such opportunity is a program called Adsense from the major search engine, Google. Basically, Adsense is a simple and easy way for Website owners to place discrete ads on their sites as a means of earning income. You simply insert certain lines of code and then receive a certain percentage of resulting revenue.
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听力原文： In the United States the family plays an important role in most holiday activities. November is National Adoption Month. We visit with an American family that has an extra special reason to celebrate this year.
It's not Mary Webster's birthday. It is the day that she is adopted. She came to the Webster family about two years ago. When her new mother held Mary, she knew Mary would someday be part of their family.
Mary's birth mother was fighting drug addiction. The Websters were never sure if the birth mother would want to have Mary back.
The Websters were foster parents. It is not known how long the child will stay. No attention is paid to the emotions of the foster parents and the child. Once the birth mother has no more claim on the child, the foster family can adopt tile child.
A judge makes the adoption final. The judge says this ceremony touches her emotionally.
The judge said that in times like this it is nice that some people are able to reach out to someone else and say I want to protect you. I want to make this world a better place for you. I want to do the best I can to make sure that you grow up to be a sale and happy child.
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A．Increase the sample number.B．Extend the time of the study.C．Observe the sample group
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