2．不要这么沮丧。打起精神来。(cast down)

　　Don't_be_so_cast_down.Just keep up your spirits.

　　3．他得用余生来还清那笔贷款。(pay off)

　　It would take him the rest of his life to pay_off_that_loan.

　　4. 我突然有了一个很好的想法——我可以用存下来的钱帮助农村的一名贫困学生。(strike)

　　A_bright_idea_suddenly_struck_me_that I could use the money I saved to help a poor student

　　in the countryside.

　　5．由于他不在，我们只好将班会推迟到下个星期。(owing to)

　　Owing_to_his_absence，we had to put off the class meeting till next week.

　　Ⅳ.阅读理解

　　(2016·唐山一模)Robots performing tasks according to a predetermined set of instructions are nothing new.But robots able to learn how to cook by watching videos are a completely different approach，which is conducted by a group of researchers at the University of Maryland.

　　If you have posted a video of your favorite recipe on the popular website YouTube，chances are that it will be used by a robot.University of Maryland's professor

　　Yiannis Aloimonos，leader of the group，said “There exists a large amount of video information on the Internet that our robots can capitalize_on.”

　　“At present，the videos are fed electronically，”said research scientist Cornelia Fermuller.“Originally，we took our own videos，our cameras looking at us doing the cooking，”she explained.“And，as the robot advances，it reacts to good quality videos.And it will react to even lower quality home­made videos.”

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