ID:9121-13057(本题为引用材料试题,请根据材料回答以下问题) The development of modern communications technology in developing countries may ________. A) hinder their industrial production B) cause them to lose control of their trade C) force them to reduce their share of exports D) cost them their economic independence
ID:9121-13062(本题为引用材料试题,请根据材料回答以下问题) While sleeping, some water mammals tend to keep half awake in order to ________. A) alert themselves to the approaching enemy B) emerge from water now and then to breathe C) be sensitive to the ever changing environment D) avoid being swept away by rapid currents