原文再现JOHN SNOW DEFEATS “KING CHOLERACholera① used to be one of the most feared diseases in the world,until a British doctor, John Snow, showed how it could be overcome②This illness causes severe③ diarrhoea④, dehydration⑤, and even death.In the early 19th century, when an outbreak⑥...
The war has devastated Syria’s infrastructure, including roads, bridges, and public services. This has made travel in the country very challenging and dangerous. Essential services like healthcare, electricity, and water are often disrupted, which can be a serious risk if you need emergency help...
A.Many people believe cancer is a very dangerous disease.B.Millions of people will die from cancer this year.C.Scientists have found ways to cure cancer completely.D.Some improvements have been made in cancer treatment already.(2)What is special about Vitrakvi? BA.It w...
remains very cost-effective in combatting mosquito-borne diseases in urban areas. Many of the most dangerous species breed in incidental ditches, flowerpots, or discarded containers into which rainwater has pooled. By eliminating such sites, the insects’ numbers fall greatly, limiting bites to thos...
996.In general, doctors in those days had two contradictory theories to explain how Cholera spread. 一般来说,当时的医生们有两种相互矛盾的理论来解释霍乱是如何传播的。 997.One theory was that bad air caused the disease....
1.How many British people are having dangerous heart conditions according to the text? A.Less than 0.5 million.B.Less than 1 million. C.At least 1.5 million.D.At least 2 million. 2.What is the main idea of Paragraph 3? A.The difficulty in detecting atrial fibrillation. ...
Why is heart disease the most dangerous killer in the United States A.Because American people are too fat.B.Because American people drink too much beer.C.The author doesn’t give a definite answer.D.Because American people don’t like sports. 答案 C理解题。在文章第三段,只是提到在美国心脏...
Some waters are more dangerous than others, thanks to unique geographical features that boost their power. The Saltstraumen strait in Norway has earned a fearsome reputation for having the strongest currents on Earth. But the h...
The 2019 coronavirus pandemic is accelerating and the world is at a new dangerous stage, who director general Tan Desai said at an online press conference in Geneva today. Yesterday, more than 150000 new cases of 2019 coronavirus disease were reported to the World Health Organization, the most...
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