【多选题】学习动机与学习效果的关系是:( )
C.
学习动机可以影响学习效果,学习效果也可以反作用于学习动机
D.
学习动机对学习效果的影响是以学习行为为中介的。
【简答题】A.They take s seriously. B.They think s are secondary. C.They think s are the most important. D.Lessons and s are equally important.
【简答题】A.They take s seriously. B.They think s are secondary. C.They think s are the most important. D.Lessons and s arc equally important.
【单选题】I think it ___________ high time they ___________ to take you more seriously.
【单选题】— _____ do you _____ this movie? — Very exciting. [ ]
【判断题】共轭效应通过共轭体系传递,是一种长程的电效应,即其作用强度在共轭体系中几乎不受距离的影响;诱导效应通过σ 键传递,是一种短程的电效应,即其作用强度随距离远离而急剧减弱。
【单选题】Some people in the metal industry think the new trend will ______.
A.
seriously change the way they do business
B.
seriously damage the way they do business
C.
not seriously change the way they do business
D.
not seriously damage the way they do business
【简答题】直线y=-x+m与双曲线 y= n x 交于第四象限一点P(a,b),且a,b是一元二次方程x 2 -2x-3=0的两根. (1)求一次函数、反比例函数的解析式; (2)直线与双曲线的另一个交点为Q,求△POQ的面积(O为直角坐标系的原点).
【判断题】对于平面相接的组合体,当结合平面不平齐时,两者中间应该有线隔开。 ( )
【判断题】对于平面相接的组合体,当结合平面平齐时,两者中间应有线隔开?