黄化幼苗的光敏色素含量比绿色幼苗____,光敏色素是一种易溶于水的____。
光敏色素有两种类型: ____和____,其中____型是生理激活型,____型是生理失活____型。
【单选题】The general considered all the information that had been gathered and _________ what possible moves the enemy might make before issuing his orders.
A. guarded
B. guided
C. guaranteed
D. gauged
【单选题】The new president said she would _________ herself to protecting the rights of the old and the homeless, who are otherwise helpless and vulnerable.
A. devour
B. dedicate
C. persuade
D. predicate