电影《鸦片战争》中有这样一组镜头：英国议会上，外交大臣巴麦尊提出出兵进攻中国，议会以271票对262票的微弱多数通过了侵华战争拨款，英国维多利亚女王最终同意对华宣战。对上述材料理解不正确的是

   The purpose（目的） of students1 come to school is to study. But2 needs the right way or we would waste the time or the money. The followings are ways for studying.
   The 3time for reading is morning. Because in the morning, the air is fresh and our mind are clear. For that reason, we can get good results
   When we study we must be patient（有耐心的）. If we don't understand a test well, We must read it again. We should not read the next4 we have learned the first one well.
   When we are studying we must put our hearts 5 the book. We can not read absent-mindedly（心不在焉的）, or we could get6 from the book while we are reading.
   We must always ask "why". If it is not7 understand, write it down ask our teacher or parents, brothers or friends, in8 possible way We must know it completely and then our knowledge can be 9well.
   Though there many ways of studying,10, the above mentioned（提到的） be quite enough if we can keep it in heart.      

每到夏季，如果保存方法不当，吃剩的饭菜容易腐败变质．其根本原因是（ ）

a、b两数在数轴上对应点的位置如图所示，则下列结论正确的是（       ）