雅思范文:课外活动 真题+范文+讲评 海外大学教师谢振礼 IELTS Writing Task From liuxuepaper.Com Essay Topic:真题回忆 Full-time university students need to spend a lot of time on studying, but it is esse...
1. In 2009, basic and applied research spending constituted 4.7% and 12.6% of total RD expenditure, dropping from 2000 levels of 5.2% and 17%, respectively. 2. China, which overtook America last year ...