考研听力基本功4 Passage7

Of the more than 80 million children born every year in the developing countrie
[00:05.43]and estimated 5 million die
[00:08.65]and at least twice as many are disabled by disease which have been largely eliminated in developed nations through immunizatio
[00:17.79]In the Sudan,the large country in Afric
[00:21.19]less than 10% of the children are vaccinated¹ against diseases such as measle
[00:26.88]polio,whooping cough,diphtheria,tetanus and tuberculosi
[00:32.55]all of which can kill or disable the unprotected chil
[00:37.67]They CAN be protected but supplying vaccine² is not enoug
[00:42.61]A successful immunization programme depends on a crucial factor-the COLD CHAI
[00:49.24]Without a system of storage and distribution which keeps the vaccine below the critical 8
[00:56.16]the vaccine deteriorates³ and its power is los
[01:00.63]The problem of establishing a cold chain is particularly acute in a hot country like the Sud
[01:07.27]where the distances the vaccine must travel are so vast.

1 vaccinated   

[医]已接种的，种痘的，接种过疫菌的

参考例句：

• I was vaccinated against tetanus. 我接种了破伤风疫苗。
• Were you vaccinated against smallpox as a child? 你小时候打过天花疫苗吗？

2 vaccine   

n.牛痘苗，疫苗；adj.牛痘的，疫苗的

参考例句：

• The polio vaccine has saved millions of lives.脊髓灰质炎疫苗挽救了数以百万计的生命。
• She takes a vaccine against influenza every fall.她每年秋季接种流感疫苗。

3 deteriorates   

恶化，变坏( deteriorate的第三人称单数 )

参考例句：

• After a few years' planting, the quality of the potato crop deteriorates. 土豆种了几年之后就会退化。
• Virus activity deteriorates in plasma stored at room temperature. 在室温下储藏的血浆中病毒活动逐渐衰退。