对下面句子所运用的修辞手法判断正确的一项是（   ）

    惨象，已使我目不忍视了；流言，尤使我耳不忍闻。我还有什么话可说呢？我懂得衰亡民族之所以默无声息的缘由了。沉默呵，沉默呵！不在沉默中爆发，就在沉默中灭亡。

上海自主研发了一种氢燃料汽车，它使用氢气代替汽油。在一次测试中，汽车在水平路面受到2400N的水平牵引力，5min内匀速直线行驶了9000m。
（1）汽车受到水平方向的阻力是多少？
（2）汽车牵引力所做的功和功率是多少

   One day, in an English class, the students are having their lessons. Their teacher, a young woman is very happy. She sings some nice songs with them and then she goes to the blackboard and writes “SMILES” on it. “This is the longest（最长）word in English,” she says to the class.
   A girl stands up and says, “It has only six letters. How can it be the longest word in English?”The teacher smiles and says, “Oh, look! There is a mile（英里）between the first letter and the last one.”

下列说法不正确的是（　　）