四六级

2017年12月英语六级听力备考辅导5

时间:2017-06-19 来源:文都网校 浏览: 分享:

      2017年12月英语六级考试复习模式已经开启,各位朋友是否有所准备?虽然现在距离12月还早,但是英语六级的复习可是得提上日程了呢,趁现在还早,时间充裕,我们可以不紧不慢的进行英语六级备考啦。下面是小编为大家提供的2017年下半年英语六级听力考试复习资料,一起看看吧!

    点此下载六级听力练习.mp3

      16

      A.They found the theory of flying.

      B.They had few precedents to look to.

      C.They knew how to control an airplane from thebeginning.

      D.They lacked research funding.

      17

      A.One.

      B.Two.

      C.Three.

      D.Four.

      18

      A.Make a turn in the longitudinal axis.

      B.Make a turn in the vertical axis.

      C.Make a turn in the lateral axis.

      D.Make a turn in any axes.

      19

      A.Turn the fins in the desired direction.

      B.Turn the fins together in the same direction.

      C.Turn the right fin up and left fin right.

      D.Turn one side rising and one side dropping.

      原文与解析:

      Today we are going to talk about the controls of anairplane. Umm, but as you know, I like to talk a bitabout the history of things. People generally creditthe Wright brothers for having accomplished thefirst manned flight of an airplane. (16) Their work isvery astonishing when you consider they had to doall their own research and there were few precedentsfor them to look to. Even something as simple as controlling the airplane had to be imagined,tested, developed, and perfected.

      Over the past 100 years, the technology of airplanes has changed, but the controls are stillsimilar. (17) You see, an airplane has three axes. Each axis has its own set of fins built into theaircraft's wings. When a pilot moves the fins in the air stream, they react with the airpressure to turn the aircraft.

      (18) There are three basic turns of today's airplane. A turn in the lateral axis can make theplane move up or down. A turn in the vertical axis can make the plane left or right. The thirdaxis is the longitudinal axis. This turns the plane spin or roll. For the first two types of turns,the fins turn in the direction of the desired turn. For a spin, the fins turn in opposite directions.

      To make a turn on the lateral or vertical axis, a pilot needs only to turn the fins in thedirection of the desired turn. For example, if the pilot wants to turn left, he would turn thevertical axis left. The air stream that flows around the aircraft would change, and the aircraftwould turn left.

      (19) To achieve a spin, the fins go in opposite directions. For example, to spin clockwise, theright fin would turn down, so the right side of the aircraft drops. The left fin would turn right,so that the left side of the aircraft would rise. (19) With one side rising and one side dropping,the aircraft then would perform a spin or roll.

      16. Why does the speaker say Wright brothers' invention is astonishing?

      17. How many axes does an airplane have?

      18. How to make an airplane move up or down according to the lecture?

      19. What should a pilot do if he wants the plane to spin?

      【小题16】演讲人在开始讲授如何操控一架飞机前,讲述了一些关于飞机的历史,提到了怀特兄弟,并认为他们的发明是令人震惊的,之后给出了原因,演讲人认为怀特兄弟必须自己做研究,他们鲜少有先例参考。甚至诸如操作飞机之类的简单动作也得自己想象、测试、研发,这些原因使得他们的发明令人震惊,故选项 B 为答案。其他选项在听力中未提及,可排除。

      【小题17】演讲人明确提到 You see, an airplane has three axes.由此可知,一架飞机有三个轴线,由后文可知分别为:横轴线、垂直轴线和纵轴线,故选项 C 为答案。

      【小题18】听力原文中提到现今的飞机有二种基本转向。包括:A turn in the lateral axis can make theplane move up or down. A turn in the vertical axis can make the plane left or right. The thirdaxis is the longitudinal axis. This turns the plane spin or roll.由此可知,能让飞机上升或者下降的是水平轴上的转向,故选项 C 为答案。

      【小题19】听力原文中提到 With one side rising and one side dropping, the aircraft then wouldperform a spin or roll.由此可知,想让飞机旋冲,要让飞机的一侧升高,而另一侧下降,故选项 D 为答案。选项 B 和 C 的信息听力原文未提及,而选项 A 为飞机升降和左右转向的操作方法。

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