a﹣b的相反数是[ ]
A.a﹣b
B.b﹣a
C.﹣a﹣b
D.不能确定
答案:B
— How much influence will your time in high school have on the rest of your life?
— It ______ be quite a lot, or perhaps only a little.
A.might
B.must
C.should
D.can
对于认知风格属于场依存型的学生,适合的教学方法是( )
A.为其提供无结构的材料,让他自己探索
B.多鼓励学生自学
C.给学生充分的时间,让其总结出结构性的知识
D.教师要给学生提供一些明确的指导和讲解