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Hypertension Drugs Found to Cut Risk of Stroke
Australian doctors declared Monday that a cocktail of simple antihypertensive drugs can lower the risk of patients suffering a repeat stroke by more than a third. This is the result of their research.46
Strokes kill 5 million people a year, and more than 15 million suffer non-fatal strokes that often leave them with useless limbs, slurred speech and other serious disabilities. One in five stroke survivors goes on to have a second, often fatal, stroke within five years of the first.
An international six-year study of 6,100 patients directed from Sydney University found that by taking two blood pressure-lowering drugs, the risk of secondary strokes can be reduced by up to 40 per cent.47 The drugs are the diuretic indapamide and the ACE inhibitor perindopril, better known by its brand name Coversyl.48 They even found that the risk of another stroke could be cut by three quarters among the one-in-ten patients who had suffered a cerebral hemorrhage, the worst type of stroke, where there is direct bleeding into the brain.
49 "If most of those patients were able to get access to this treatment, it would result in maybe the avoidance of half a million strokes a year," the professor told Australia's ABC Radio.
McMahon said doctors had long known that lowering the blood pressure of those with hypertension could help prevent strokes. "What we have shown for the first time is that it does not really matter what your blood pressure is;50, "he said.
McMahon said the Milan gathering had heralded the research as a "major breakthrough in the care of patients with strokes- perhaps the biggest step forward that we have made in the last couple of decades".
A. The research, presented at a medical conference in italy over the weekend, has been valued highly as a major breakthrough in stroke prevention.
B. The study suggested more effective methods should be taken to prevent stroke happening on the people older than 690.
C. Stephen McMahon, who presented the research at the Milan congress of the European
Society of Hypertension, said about 50 million people were alive who had suffered at least one stroke.
D. Even taking one of the commonly available drugs can cut the risk by a third, the study said.
E. if you have had a stroke, then lowering blood pressure will produce large benefits, to begin with-- even for people whose blood pressure is average or below average.
F. The combination was effective even in patients who did not have high blood pressure, the researchers said.
答案與解析
46.A。空格前This is the result oftheir research可知，後一句應該與該研究(research)相關，因此A選項最合適，進一步說明這個research的釋出時間、地點和意義。
47.D。空格前講到降壓藥能將第二次患中風的機率降低到40%。空格處選擇D最合適，該選項中even和a third(三分之一)與空格前的40%呼應。
48.F。空格後說“患者中1/10有大腦出血，這是最為嚴重的中風型別，血液徑直流向大腦，他們甚至發現這種中風也能降低3/4”，由此可知空格處應該是對不同患者預防中風的'療效，因此F選項(這種合劑對沒有高血壓的患者同樣有效)是最佳答案。
49.C。該段最後一句講到the professor told Australia’s ABC Radi0，the professor應該對應一個人名，且該人與空格後引號中的話有很大關聯。綜合來看，C選項最合適。
50.E。空格前講到“血壓高低並不重要”，空格處填入“只要你得過中風，降低血壓就有很大益處，即使血壓正常或低於正常也是如此”是最符合語義走向的。故本題選E。
