题目

粮库和种子站的种子储存环境应该是( ) A . 干燥、高温和空气流通 B . 潮湿、高温和空气不流通 C . 干燥、低温和空气流通 D . 潮湿、低温和空气不流通 答案:CThe rise in wood fuel use has _____ the disappearance of forest and the loss of habitats for pandas.     A. belonged to      B. adapted to       C. devoted to   D. contributed to
生物 试题推荐