【单选题】He ___very busy this week. He ___ free next week.
【单选题】The population will be increasing very fast unless they ______ with new methods to deal with it.
【简答题】用括号里的词改写句子 The film was very boring. We almost fell asleep. (so...that.. 结果状语从句 )
【单选题】Our teachers are very strict ______ us in class, but they are kind _____ everyone after class.
【简答题】边长为 0.5m 的正方形通风管道 , 其当量直径为 _______ 。
【单选题】边长为0.5m的正方形通风管道,其当量直径为____________m。
【单选题】For them, it was very difficult to __________ the town from the hand of the enemy. [ ]
【简答题】边长为0.5 m的正方形通风管道,其当量直径为( )m。
【多选题】商业模式的三要素是:
C.
企业能为顾客提供怎样的(独特的)价值和服务?
D.
企业如何以合理的价格为顾客提供价值,并从中获得企业的合理利润?