在日常的學習、工作、生活中，肯定對各類范文都很熟悉吧。大家想知道怎么樣才能寫一篇比較優質的范文嗎？這里我整理了一些優秀的范文，希望對大家有所幫助，下面我們就來了解一下吧。
四級公放聽力篇一
learn to walk before you run.以下是小編為大家搜索整理的公共英語聽力考試四級日常訓練，希望能給大家帶來幫助!更多精彩內容請及時關注我們應屆畢業生考試網!
on an evening at dakar beach in senegal, the sands are packed with people exercising.
a recent world health organization report indicated that one out of eight senegalese women aged over 20 are obese - and suffer from related diseases like high blood pressure.
mamaty ndiaye says she is trying to persuade her family to start getting more active.
she says they have diabetes and high blood pressure. she says she advises them to walk and to exercise a little more.
the world health organization has produced a hard-hitting video as part of its campaign to raise awareness of the dangers. it says more than one in three adults worldwide has high blood pressure. in some low-income african countries prevalence is as high as 40 percent.
professor majid ezzati is chair in global environmental health at imperial college london.
“salt is perhaps the most important dietary determinant of high blood pressure," said ezzati. "and that’s actually something that is culturally and geographically driven. and many high income countries have successfully removed salt from prepared and packaged food.”
ezzati says high blood pressure puts a huge burden on people and societies.
“it is the leading risk factor for mortality and for disease burden worldwide," he said. "it is associated obviously with cardiovascular diseases, large effects on strokes which are very common throughout asia, on heart disease and other cardiovascular diseases.”
in remote areas, doctors say one of the biggest problems is accessing healthcare. so a team of medics has developed a solar-powered blood pressure monitor, hoping to transform diagnosis and treatment. andrew shennan, professor of obstetrics at kings college london is among the designers.
“we went into rural areas in tanzania, in zambia, in zimbabwe, and we gave it to clinics that previously hadn’t even had blood pressure measurement," said shennan. "we wanted to know whether the people would use it and whether it would result in people accessing the more sophisticated care in the central hospitals. and actually it did exactly that.”
the monitors were originally developed to diagnose high blood pressure in pregnant women. but shennan says it could be adapted for any population.
“although this is a very cheap device which we plan to sell for under 20 euros [$26], it is as accurate as the 10,000 pounds [$15,000] machines that i use on the intensive care unit," he said.
togo is another african country battling the growing problem of high blood pressure. doctor edem goeh-akue is a cardiologist at lomé university hospital in togo.
arterial high blood pressure, as many like to say, is a silent killer," said goeh-akue. "it's a disease that we don't talk about it very often, but it's a disease which kills. you can say it kills more people than aids but we don't talk about it a lot."
the world health organization hopes to get more people talking about one of the world’s biggest killers.
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