六级Currently, there’s mounting criticism of Michelle Obama’s Let’s Move campaign, which fights childhood obesity by encouraging youngsters to become more physically active, and it signed on singer Beyonce and basketball player Shaquille O’Neal, both of whom also endorse sodas which are a major contributor to the obesity epidemic.

目前，米歇尔·奥巴马的“让我们行动”运动受到越来越多的批评，该运动通过鼓励年轻人多运动来对抗儿童肥胖症，并与歌手碧昂斯和篮球运动员沙奎尔·奥尼尔签约，两人都支持汽水，汽水是肥胖症流行的主要原因。

2016年12月听力原文

四级Nadeau says sugar and processed foods are big contributors to the rising diabetes rates among children.

纳多说，糖和加工食品是儿童糖尿病发病率上升的主要原因。

2018年12月四级真题（第一套）阅读 Section B

六级Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.

在亚马逊地区的每个燃烧季节，边境定居者和开发商故意放火，每年排放近5亿吨碳，使巴西成为世界上温室气体排放量最大的五个国家之一。

2013年6月阅读原文

六级Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world

在亚马逊地区的每个燃烧季节，边境定居者和开发商故意放火，每年排放近5亿吨碳，使巴西成为世界上温室气体排放量最大的五个国家之一

2013年6月阅读原文

四级A freshman textbook will have dozens of contributors, from subject-matter experts through graphic and layout artists to expert reviewers and classroom testers.

一本新生教科书将有几十名撰稿人，从主题专家到图形和布局艺术家，再到专家评论员和课堂测试人员。

2019年12月四级真题（第三套）阅读 Section C

六级Nobody is saying that the “big two” – reduced physical activity and increased availability of food – are not important contributors to the epidemic, but they cannot explain it all.

没有人说“两大因素”——减少体力活动和增加食物供应——不是导致疫情的重要因素，但它们无法解释这一切。

2008年12月英语六级真题

四级A study published recently in the journal Nature shows that air-borne leaded gas emissions from the United States were the leading contributor to the high concentration of lead in the snow in Greenland.

最近发表在《自然》杂志上的一项研究表明，美国的空气含铅气体排放是导致格陵兰雪中铅浓度高的主要原因。

2005年1月大学英语四级(CET-4)真题

四级Nadeau says sugar and processed foods are big contributors to the rising diabetes rates among children.

Nadeau说，糖和加工食品是导致儿童糖尿病发病率上升的主要原因。

2018年12月大学英语四级考试真题（第1套）