大学英语第三册电子教案

大学英语(全新版)第三册电子教案

Unit Four THE WATERY PLACE

I. Teaching objectives

Students will be able to :

1.understand the main idea ( to be found in Part I) and structure

of the text ( narration in time sequence);

2.appreciate the difference between formal speech and

information speech;

3.grasp the key language points and grammatical structures in

the text;

4.conduct a series of reading, listening, speaking, and writing

activities related to the theme of the unit.

II. Text Summary

The text tells of a stupid error which results in a discouraging thing that no extraterrestrials will ever land on the Earth. The story begins with the introduction of he character of Bart Cameron, the Sheriff at Twin Gulch, Idacho, who is a quick-tempered and impatient person. On that special day, April 14, 1956, the author sees the flying saucer. But just because of the extraterrestrials’ too formal English and Bart’s too bad mood that day, Bart Cameron misunderstands the extraterrestrials once and time again . Finally , they fly back to Venus. Therefore we

are never going to have visitors from space

课文概述

文章讲述了由于一个愚蠢的错误导致再无外星人光顾地球的故事。故事开始介绍了爱达荷州温加尔奇的治安官巴特·卡默伦的性格，他是一个脾气暴躁，没有耐心的人。在1956年4月14日那个特殊的一天,作者亲眼目睹了飞碟。但仅仅因为外星人过于正式的英语和巴特那天过于糟糕的心情，使得巴特·卡默伦对外星人一而再、再而三地误解。最终外星人飞回了金星。正因为此，再也没有来自外星的访问者。

III. Cultural Notes

1.Isaac Asimov (1920-1992) : Russian-born American writer

and scientist . He was a distinguished biochemist, but is more widely known as the author of many works of science fiction, books on science for non-scientists, and essays on a wide variety of subjects. Among his best-known science fiction are I, Robot(1950) and the Foundation trilogy(1951-1953).

Building on Karel Capek’s concept of the robot, in 1941 Asimov coined the term robotics.

2.Venus: the second major planet in order of distance from the

Sun. Also known as Hesperus, The evening star(黄昏星), or Phosphorus, the morning star(启明星), Venus can be the

brightest object in the sky after the Sun and Moon and follows a near-circular path some 106 million kilometers from the Sun, taking 225 days to complete one orbit.

金星也叫常庚星或昏星，也有人叫它启明星或晨星。金星是太空中除太阳和月亮以外最亮的星体，沿着离太阳约一亿六百万公里的椭圆轨道运行，运行一周约需225天。

金星表面的平均温度约475o C，其中约95％的大气是二氧化碳。金星上几乎没有氧气。这使得金星上几乎不可能有我们所知的生命。

除金星和地球外，太阳还有七个行星，它们是：水星（the Mercury），火星（the Mars），木星（the Jupiter），土星（the Saturn），天王星（the Uranus），海王星（the Neptune 和冥王星（the Pluto）。

3.extraterrestrial life: life-forms that may have evolved on other

planets. There is no hard evidence at present that life exists other than on the Earth. Most UFOs have been satisfactorily explained as being natural or man-made, and the Viking missions to Mars were inconclusive in testing for the existence of life on that planet. Nevertheless, searches have been and are being made for signs that life has arisen in other parts of the universe. Certain knowledge either that life is