Unit 1　Living with technology
(主题语境:人与社会——科学与技术)

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高频单词
重点短语
难点句型
1.delay vt.& vi.(使)推迟,延迟　n.延迟,延误[经典例句] Thousands of commuters were delayed for over an hour.数千名乘车上班人被耽搁了一个多小时。(1)delay doing sth.推迟做某事(2)without delay毫不迟疑地;马上(相当于immediately,at once,right away/now)Report it to the police without delay.赶快将此事汇报警方。(3)delayed adj.延迟,耽搁the delayed flight延迟航班