Educators try to put pupils of similar abilities into classes because they believe that this homogeneous grouping is advisable.教育学家设法将学生按相近的能力分班,因为他们认为这种按同等水平划分班级的做法是明智的.The concept a useful and important one for scienti...
In biblical times no such fungicides were available.在圣经时代,当然不可能得到这样的杀菌剂.Several fungicides have been found to be absorbed from soil and translocated by plants.一些杀菌剂在土壤中被吸收,再转移到植物上.Alternate use of systemic and protectant...
The teacher should encourage the child to proceed as far as he can, and when he is stuck, ask for help.老师应该鼓励孩子尽量自己去做，遇到困难时，寻求帮助。For most of his adult life, Turner has been stuck in a coach's Catch - 22.因为特纳的大部分成年生活...