听力训练营-高中练习题-8月20日


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1. 您的姓名：
2. 您的学段
3. Today global health officials 1._______________________.
They're rolling out the first vaccine 2._______________________ stopping malaria.
Malaria infects more than 200 million people a year,
and it's one of the biggest killers of children 3._______________________.
4. In Africa, more than a quarter-million kids die each year from the disease.
The vaccine has taken 30 years to develop.
And as NPR's Michaeleen Doucleff reports,
4._______________________ in Malawi will be the first to get it.
5. Back in the mid-1980s, scientists at Walter Reed Army Institute here in the U.S.
started developing an 5._______________________ malaria vaccine.
The first versions failed, so they 6._______________________ the company
now known as GlaxoSmithKline and tried again.
Then they started seeing 7._______________________ in the petri dish（培养皿）.
Thirty years later, that vaccine is finally ready to be given to kids in the countries that need it the most — those in sub-Saharan Africa.
6. We're extremely excited that we're 8._______________________ being able to
do pilot introductions in the areas where malaria is actually causing 9._______________________.
That's Deborah Atherly, who leads vaccine deployment（部署）at PATH,
a nonprofit which has helped develop the vaccine.
7. Every two minutes, a child or baby in sub-Saharan Africa dies of malaria.
In some places, a baby can have six bouts（发作）of it in just one year.
Atherly points out that this vaccine is 10._________________________ to be designed and launched specifically for children across Africa.
I think that's also a really, really important milestone in sort of vaccine 11.____________________.
8. Most vaccines 12._________________ people in rich countries because they are expensive to make.
But this vaccine has been heavily subsidized by GSK, foundations and governments.
Starting today, toddlers in Malawi will receive the vaccine, then kids in Kenya and Ghana.
9. 13._______________________ is to immunize about 360,000 children over the next few years.
But the vaccine isn't a silver bullet（万能药）for malaria.
For starters, kids need four doses（剂量）of the vaccine for it to be effective.
For families in rural areas, four 14._______________________ could be hard.
The second problem is the vaccine isn't 15._______________________.
10. The vaccine efficacy is much lower than many of our other childhood vaccines.
That's William Moss.
He 16.______________________ the International Vaccine Access Center and is an epidemiologist at Johns Hopkins University.
He says the vaccine protects kids only about 30 percent of the time.
17._______________________, many childhood vaccines offer 80 or 90 percent protection.
11. The buzz 18._______________________ is warranted.
So many children get malaria in Africa that even 19._____________________ vaccine can have a big impact on a community's health.
12. There are estimates that one life would be saved for every 200 children who are vaccinated,
so that's where the impact is.
And that could 20._______________________ of tens of thousands of kids every year.
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