必修2 Unit 3 Computers（word教参）-2022高考英语一轮复习【优化指导】高中总复习·第1轮（人教版 老教材新高考地区专用)

阅读文章，体会加黑词汇或句式的用法 As science and technology develop quickly，computers have changed our life in a way.We can not only apply for the job through the Internet but also solve the difficult problems with the help of the Internet.However，many students become so crazy about computers that they spend too much time on them，which has a bad effect on both their study and health.Anyhow，computers play an important part in our daily life.It goes without saying that modern technology brings us convenience and comfort in life. Although computers have many advantages，they can not carry out creative work and replace man. [高考链接] 1．(2020·新高考全国卷Ⅰ)The solution (solve), of course, was to plant trees so the animals could seek shelter during the daytime. 2．(2020·全国卷Ⅰ)The technology (technological), Strano said, could one day be used to light the rooms or even to turn trees into self­powered street lamps. 3．(2020·全国卷Ⅱ)Who hasn't received an email so annoying that it ruined an entire day? 1．calculate vt.计算；核算；预测；推测 [夯实基础]　单句语法填空 ①We can't calculate on good weather for the barbecue. ②This advertisement is calculated to attract (attract) the attention of housewives. ③By his calculation (calculate)，it could save airlines hundreds of millions of dollars a year. ④(2019·全国卷Ⅰ)However，biologists calculate (calculation) that there are about 20，000－25，000 polar bears worldwide. [状元笔记] 2．signal v．&n.发信号；发暗号；示意；信息；暗号 [夯实基础]　用signal，sign，mark，symbol的相关短语的适当形式填空 ①(2019·北京卷)But the change in the colour of the ocean will be one of the early warning signals (signal) that we really have changed our planet. ②(2020·浙江卷)These lights, known as adaptive signals (signal), have led to significant declines in both the trouble and cost of travels between work and home. [状元笔记] [易混辨析] symbol 指符号、象征、标志等，常表示某种有深邃寓意的事物 signal 指为某一目的而有意识地发出的信号 ③One mark of a writer's greatness is that different minds can get a different inspirations from his works. ④In the picture the tree is the symbol of life and the snake is the s