The college campus, long a place of scholarship and __________ of new technology, is being _________ into a new age of electronics. A: front, transform B: frontier, transmitted C: frontiers, transformed D: frontiers, transmit

Suppose there are only two people in the world. Each person’s production possibilities frontier also represents his or her consumption possibilities when A: neither person faces trade-offs. B: the frontiers are straight lines. C: the frontiers are bowed out. D: they choose not to trade with one another.

The major problem is the need for large quantities of water and ______ to grow the crops. A: fossils B: fertilizers C: frontiers D: fosters

在CSCD数据库中,访问中国科技期刊引证指标 (CSCD-JCR),查询《Frontiers of Medicine》期刊2018年论文量有____?

Frontiers系列全英文期刊包括哪些专辑（） A: 人文社会科学专辑 B: 工程技术专辑 C: 生命科学专辑 D: 基础科学专辑

Mutually beneficial trade cannot occur if production frontiers are:(<br/>) A: equal but tastes are not B: different but tastes are the same C: different and tastes are also different D: the same and tastes are also the same.

Choose the correct words or phrases to complete the sentences. Now, I find myself subscribing to 60 or 70 journals or magazines just to keep me up with what amounts to a(an) ____ proportion of the expanding frontiers of scholarship.

Wu等人（Frontiers of Business Research in China, 2011）认为人岗匹配主要包括两个方面内容,即 和 （ ） A: 需求-价值匹配；需求-能力匹配 B: 供给-价值匹配；需求-能力匹配 C: 供给-需求匹配；需求-能力匹配 D: 供给-价值匹配；需求-价值匹配