【单选题】It was when I read his letter ________ I realized he had given me huge help.
【单选题】He had a huge bump on his head.( )
【简答题】He had huge __________ but was too lazy to achieve any of his goals.
【单选题】我们已经基本实现了小康社会的目标,今后要继续努力奋斗,确保到( )实现全面建成小康社会的奋斗目标。
【简答题】背景材料:
联系学生生活实际创设情境是化学教学的重要策略。一位老师在设计“醛的性质”的教学时,为了取材于学生熟悉的物品,他想到既然葡萄糖可以还原氢氧化铜,为什么不用葡萄汁来直接做实验呢?于是.他向葡萄汁中加入新制的氢氧化铜悬浊液,加热后,生成砖红色的沉淀。这位教师很兴奋,但是一位同事却提醒他:葡萄汁的成分很复杂,这个实验可以说明葡萄糖的还原性吗?
问题: (1)什么叫作创设情境?为什么要在化学...
【单选题】It was when I read his letter ____ I realized he had given me huge help.