【简答题】Ever since they were first put on the market in the early 1990s, genetically modified (GM, 转基因) foods have been increasingly developed and marketed in many countries in the world, mainly on the basis ...
【简答题】Ever since they were first put on the market in the early 1990s, gentically mondified (GM, 转基因) foods have been increasingly developed and marketed in many countries in the word,mainly on the basis of...
【简答题】A. 5.6% B. 5.7% C. 17,000 D. 47% E. 10% F. 6% G. 24% 1. ______ people were involved in the survey. 2. The number of literature readers in 2002 dropped by ______ from...