题型:选择题 氢气是人类未来最理想的燃料,以水为原料大量制取氢气最理想的途径是( )A.用铁和盐酸反应放出氢气B.由热电站提供电力电解水产生氢气C.利用太阳能直接使水分解产生氢气D.以焦炭和水制取水煤气(含CO和H2)后分离出氢气 查看答案
题型:单项选择题 Almost all job applicants are determined to leave a good ______ on a potential employer.A.illusion B.impressionC.reflection D.reputation 查看答案