1. Because of global warming feel like it's basically caused by human beings, and 90 percent sure it's because of emissions.
由于全球变暖，认为这基本上是由人类造成的，并90%确定这是由于排放。
2. Percent of the coaches received higher education. There are 90 percent coaches who are sure of their responsibility and mission.
研究结果表明，90%以上的教练员明确自己的职责和所承担的任务。
3. The group said that it was more than 90 percent sure that carbon dioxide and other hit-trapping (heat-trapping) gases from human activities have been the main cause of global warming.
改小组称已经有90%以上的把握可以确认人类活动引起的二氧化碳等温室气体的排放是全球变暖的主要原因。
4. For each of the following ten items, provide a low and high guess such that you are 90 percent sure the correct answer falls between the two.
针对下列10个项目，请提供你认为百分之九十正确的一个最少数值答案及一个最大数值答案。
1. " I'm 90 percent sure this was an airliner, " Lewis said.