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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo
1. It has increased by three times as compared with that of 1998. 2. There is an increase of 20% in total this year. 3. It has been increased by a factor of 4since 1995. 4. It would be expected to increase 5 times. 5. The table show
China had a total of 1.26 million students overseas as of 2015, accounting for 25% of the world's total number of students studying outside their native country, meaning one in four such students is from China, according to the 2016 Report on the Dev
China's post-80s and 90s have surpassed the 70s to become the major force of first-class and business-class passengers, and the number is still growing, according to the first season report issued by Ctrip on last Wednesday. 携程上周三发布的一
二、用于描写图表和数据 1. It has increased by three times as compared with that of 1998. 2. there is an increase of 20% in total this year. 3. It has been increased by a factor of 4since 1995. 4. It would be expected to increase 5 times. 5
1. Are you checking out now? 你现在退房吗? 还能这样说: Do you want to check out now? Are you going to check out now? 应用解析: blank check 空白支票,自由行动的权力; draw a check 开一张支票; put a check on sth