A.提高公有化程度B.促进社会生产力的发展C.实现按劳分配D.化解社会矛盾一种社会制度是否先进和具有优越性，从……

未分类题'The critics'(Line 5, Para. 5)most probably refers to those on the side of______.A．President ObamaB．Supreme CourtC．Arizona state governmentD．Scholars in the research

未分类题In the second paragraph, the author discusses______.A．the overall economic picture of the publishing industryB．the paradoxical situation faced by scientific journalsC．the different outlooks of newspapers and scientific journalsD．the favorable economic situation for scientific publishers

未分类题It can be learned from Paragraph 4 that top journals______.A．value criticism from non-star scientistsB．cover the most important informationC．predominate people's choice of informationD．favor new and exciting studies

未分类题To show the desirable effects of immigration, the author makes use of______.A．illustrationB．comparisonC．explanationD．induction

未分类题Which of the following can be inferred from the last paragraph?A．GM foods have so far proved good for human health.B．The critics are committed to the dominance of large firms.C．The target of GM criticism has change dramaticallyD．Big corporations ignore public concerns over GM issues.