染雾BBC新闻英语阅读 篇一
标题：COVID-19疫苗研发取得突破性进展
2021年，全球正面临着前所未有的挑战——COVID-19疫情的爆发。然而，令人鼓舞的消息是，科学家们正在以前所未有的速度推进COVID-19疫苗的研发，并取得了突破性的进展。
COVID-19疫苗的研发是全球科学界的头等大事。许多国家的科研机构、制药公司和国际组织都投入了大量资源和精力来加速疫苗的研制过程。在过去的一年里，已经有多个疫苗候选者进入了临床试验阶段，并且一些疫苗已经获得了紧急使用授权。
其中，辉瑞-生物NTech联合研发的疫苗是最令人瞩目的之一。该疫苗使用了mRNA技术，通过向人体注射一种特定的mRNA，使得人体能够产生与COVID-19病毒抗原相匹配的蛋白质，从而激发免疫反应。该疫苗在临床试验中表现出了极高的有效性，被认为是目前最成功的疫苗之一。
此外，牛津-阿斯利康疫苗也取得了显著的进展。这种疫苗使用一种冠状病毒载体，将COVID-19病毒的蛋白质基因植入到人体细胞中，从而引发免疫反应。牛津-阿斯利康疫苗的临床试验结果显示，它能够提供高度的保护效果，并且在生产和分发方面具有更大的灵活性。
此外，中国、俄罗斯和印度等国家也在积极推进COVID-19疫苗的研发工作。中国的科兴疫苗和国药疫苗已经获得了紧急使用授权，并在全球范围内进行了大规模的接种。俄罗斯的斯普尼克V疫苗也被证明具有较高的有效性。印度的巴拉特生物科技疫苗在临床试验中表现出了良好的安全性和免疫效果。
尽管COVID-19疫苗的研发取得了突破性的进展，但全球范围内的疫苗分发和接种仍然面临着许多挑战。包括疫苗供应不足、物流困难、人口接种意愿等问题。为了实现全球疫苗普及，国际社会需要加强合作，共同应对这些挑战。
总之，COVID-19疫苗的研发取得了突破性的进展，为全球抗击疫情提供了希望。科学家们的努力和合作将继续推动疫苗研发的进程，为人类赢得这场抗疫战争的胜利。
BBC新闻英语阅读 篇二
标题：气候变化引发的自然灾害频频发生
近年来，全球范围内频繁发生的自然灾害引起了人们的高度关注。科学家们认为，这些自然灾害的增加与气候变化密切相关。
据世界气象组织的数据，过去几十年来，全球的极端天气事件和自然灾害发生的频率和强度都在不断增加。例如，热浪、干旱、洪水和飓风等灾害事件都在全球范围内频繁发生，给人们的生命和财产安全带来了巨大的威胁。
科学家们指出，气候变化是导致这些灾害增加的主要原因之一。由于全球温度上升，地球的气候系统发生了巨大的变化，导致了极端天气事件的增加。例如，全球变暖导致冰川融化和海平面上升，增加了洪灾和风暴潮的风险。同时，气候变化也导致了干旱和热浪等极端天气事件的增加，给农业生产和人类健康带来了严重影响。
此外，气候变化还影响了自然界的生态系统。例如，珊瑚礁的白化和林火的频繁发生都与气候变化有关。这些生态系统的破坏会导致生物多样性的丧失和生态平衡的破坏，进一步加剧了自然灾害的发生。
为了应对气候变化带来的灾害风险，国际社会需要加强合作，采取行动减少温室气体的排放，并加强自然灾害预警和应急响应能力。此外，科学家们也在努力研究和开发适应气候变化的技术和解决方案，以应对未来可能面临的更严峻的气候挑战。
总之，气候变化引发的自然灾害频繁发生，给人类的生命和财产安全带来了严重威胁。国际社会需要共同努力，减少温室气体的排放，加强自然灾害的预防和应对，以保护地球的生态环境和人类的未来。
BBC新闻英语阅读 篇三
BBC新闻英语阅读
引导语：今天小编给大家整理的是BBC的.一个新闻，关于“克隆羊多利姐妹健康 哈利波特舞台剧上映”的，希望大家喜欢。
Researchers in the British city of Nottingham say thecloned siblings of Dolly the sheep are in good healthraising hopes that the process doesn't effect physicalwellbeing. The four cloned sisters have just passedtheir ninth birthdays. Dolly who had to be put downin 2003 had aged prematurely because shedeveloped osteoarthritis at a relatively young age.Here is our science correspondent Jonathan Amos.
Dolly's birth was a sensation, the first genetic copy of a mammal made from a cell takenfrom an adult sheep. It was how it is a way of developing new medical therapies or to saveendangered species. But cloning is very inefficient. Most attempts fail and even in Dolly'scase, she had a lung disease and painful joints. Scientists wondered if that was because hergenetic clock had not been reset properly. That possibility has now been tested in four sheepcloned from the same cells as Dolly. They are her genetic sisters called Debby, Denis, Diannaand Daisy. They are now nine, older than she was but don't show the same degenerative issues.Claire from Nottingham University says this finding renews hope in the promise of cloning butconcedes the process is still too inefficient.
And so there still remains an ethical and welfare concern with cloning. And what we have to dois to reduce the incidents of theses losses and the severity of these losses before I think thetechnique will be widely accepted by the general public.
The scientists who report their studies in the journey Nature Communications say it's beenfascinating to work with animal copies. Some do develop quite different personalities. But theyare virtually impossible to tell apart.
That report from Jonathan Amos.
It seems to have been around for quite a while that this weekend after two months of previews,we will see the gala opening in London of Harry Potter and the Cursed Child. It's described asthe eighth Potter story. But the
It's a five-hour epic in two parts so I can't say much about it. And of course I'm not reallysupposed to say that much about it anyway. There is a lot in it basically set 19 years after theend of the novels or the films. Harry played now by Jamie Parker is 37.
What have the critics made of it all so far?
They have loved it. I think without exception. I'm not sure I can remember reviews like thissince the producers are in New York. Just one or two quotes, The Times, "It's the real deal livein front of you, so much better than any film could be".
