“良好的学习方法能使我们更好地发挥运用天赋的才能，而拙劣的方法可能阻拦才能的发挥。”以下学习方法中，你认为哪一种方法是拙劣的？（　　）

    An important quality in a neighbor is consideration for____. People should not do things____will disturb their neighbors unnecessarily. For example, television sets need not be played at full volume (音量）____loud pop music should not be played very late at night. By avoiding things likely to upset your neighbors, you can enjoy____friendly relationship with them.

An equally important quality is tolerance. Neighbors should do all they can to avoid disturbing other people，____there are times when some level of disturbance is unavoidable.____neighbors want to get along well with each other, they have to show their tolerance. In this way, everyone will live ____peace.

两平行金属板间所加电压随时间变化的规律如图所示，大量质量为m、带电量为e的电子由静止开始经电压为U₀的电场加速后连续不断地沿两平行金属板间的中线射入，若两板间距恰能使所有子都能通过．且两极长度使每个电子通过两板均历时3t₀，两平行金属板间距为d；电子所受重力不计，试求：

下列关于一株水蜜桃和一头牛的叙述，不正确的是（　　）