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  • To lose weight, you should not only eat less, _____ do more exercise.
  • Tom stays at home today. I see him _____ his car in the garden.
  • _____ is a good habit to go to bed early and get up early every day.
  • Stephenson has become the _____ railway engineer in the world.
  • Nowadays, it's convenient and cheap for us _____ a shared-bicycle.
  • Chinese _____ to return home to be with their families in the Spring Festival.
  • — Is Mrs. Green in? — I'm afraid se isn't. Would you like to _____ a message?
  • 最大值为4、频率f=1Hz、初相为0的正弦波是( )
  • 需备麻醉床的患者是( )。
  • 厚角组织与厚壁组织的差别,在于厚壁组织是( )。
  • 草木灰的主要成分是( )
  • 与植物细胞细胞壁形成有关的细胞器是( )。
  • 植物细胞初生壁的主要成分是( )。
  • 为离瓣花冠的是( )。
  • 能消除顶端优势的植物激素是( )。
  • 毛管孔隙的孔径为( )。
  • 在植物营养最大效率期,为满足养分需要一般要加使( )。
  • 下列肥料中属于生理中性肥料的是( )。
  • 适宜在酸性土壤生长的植物有( )。
  • 对土壤热容量影响最大的是( )。