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1、The size of fish in the oceans is shrinking. A new report from the University of British Columbia in Canada states fish may shrink by as much as a quarter in the coming decades because of global warming. The research team conducted extensive tests on the effect of rising ocean temperatures on the si
2、ze and number of over 600 species of fish around the world. They concluded that most fish are likely to shrink in size by 14-24 per cent by the year 2050. The biggest changes will be seen in tropical regions. The scientists said there is less oxygen in warmer water so fish cannot grow at the rate th
3、ey should. They added that many fish will migrate to cooler waters outside the tropics.Lead researcher Professor William Cheung said: We were surprised to see such a large decrease in fish size. Marine fish are generally known to respond to climate change through changing distribution and seasonalit
4、y. But the unexpectedly big effect that climate change could have on body size suggests that we may be missing a big piece of the puzzle of understanding climate change effects in the ocean. He added that human activities such as overfishing and pollution will worsen the problem. Our work shows a ve
5、ry concerning future for the oceans and so it is very important to reduce greenhouse gas emissions and develop better fish management policies to adapt to these changes, he said.1.climate change 气候变化例句:Most scientists accept that climate change is linked to carbon emissions.大多数科学家都相信气候变化与排放的含碳气体有关.2.respond to 反应例句:She responded to the news by bursting into tears.她听到那个消息后眼泪夺眶而出。3.tropical region 热带地区例句:Her motherland is in the tropical region.她的祖国位于热带地区。4.greenhouse gas 温室气体例句:But these two countries are responsible for almost half of all greenhouse gas emissions.但是这两个国家的温室气体排放量几乎占了全世界的一半。
