IsTHERELifeonEarth.ppt

College English Textbook I. New Words 7. as far as ……be concerned: as for; in respect of 就……而言 As far as the color is concerned, I don’t like the dress. 就颜色而言，我不喜欢这件衣服。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 8. keep crashing into each other: hitting each other repeatedly 我的父亲一直鼓励我努力学习。 keep doing sth.: continue doing sth.; do sth. repeatedly My parents kept encouraging me to study hard. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 9. set back:（1）cause to put off or get behind schedule; reverse the progress of 耽搁；阻碍； The accident has set them back several weeks. 那场事故使他们耽搁了几个星期。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. * IS THERE LIFE ON EARTH? Two Unit One Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1.signal: (1) n. movement, message, device, etc. used to convey information 信号，暗号 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. The referee blew his whistle as a signal for the game to begin. 裁判吹哨作为比赛开始的信号。 Traffic signals tell drivers when to stop and when to go. 交通信号告诉司机什么时候停， 什么时候行。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. (2) v. send a signal or signals to 向……发信号；以信号报告 Sailors signal with flags by day and with lights at night. 水手们发信号白天用旗，晚上用灯。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 2. extremely: adv. very 非常，极为 This is an extremely serious case. 这是一个极为严重的情况。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3. f