UNIT 4 INFORMATION TECHNOLOGY 单元知识回扣-【精讲精练】2023-2024学年英语必修第二册北师大版(教师用书)

# Ⅰ.核心词汇 1．I tried to persuade him，but with little or no effect (效果，影响)． 2．I've chosen your hotel on the recommendation (建议) of my friends. 3．He is a sensible (明智的，合乎情理的) sort of person and always has wise ideas. 4．The mayor admitted (承认) the local government had adopted a foolish idea. 5．This kind of activity encourages children in their creativity (创造力)． 6．China is becoming more and more powerful (强有力的)thanks to the series of policies. 7．Working as a teacher in Africa is a rewarding (有意义的)experience for me. 8．It has been confirmed (确认；证实) that the meeting will take place next week. 9．The boy can't concentrate (专注，专心) with the noise going on outside. 10．China has played an important role in maintaining (维持，保持) world peace. Ⅱ.拓展词汇 1．enable vt.使可能，使发生→able adj.能干的，有能力的→ability n．能力 2．convenience n．方便，便利→convenient adj.方便的，便利的 3．addicted adj.对……着迷的；沉迷的→addict vi. & n．使沉溺，使上瘾；瘾君子→addiction n．瘾，沉溺，癖好→addictive adj.上瘾的 4．recommendation n．建议，提议；推荐→ recommend vt.推荐；介绍；劝告，建议 5．explore vt.探索；探险→ exploration n．探测→explorer n．勘探者 6．personality n．个性，性格→person n．人→personal adj.个人的，私人的→ personally adv.个人地；就个人而言 7．admit vi & vt.承认→ admission n．准许进入；承认 8．variety n．多样化，变化→various adj.各种各样的→ vary v．相异；不同 9．sensible adj.朴素实用的；明智的；合理的→sensitive adj.敏感的；差解人意的→sense n．意义；感官 10．obviously adv.显而易见地，明显地→ obvious adj.明显的，显而易见的 11．selection n．供选择的同类物品；选择→ select vt.挑选 12．concern n．担忧，忧虑； vt.与……有关；使担心→concerned adj.担心的；涉及的→concerning prep.关于 13．powerful adj.效能高的；强有力的；强壮的→power n．动力；权力；影响力；控制力 14．favour n．恩惠；善意的行为→favourite adj.特别受喜爱的 15．deliver vi.& vt.递送；传达→delivery n．递送；发送；分娩 16．harm n．& vt.伤害，损害→harmful adj.有害的→harmless adj.无害的 17．argue vi.争辩；争吵→argument n．论点；论据 18．concentrate vi.专注，专心；集中注意力→concentration n．专心；专注 19．rewarding adj.有益的；有意义的→reward n．奖赏，回报；vt.奖赏；给以报酬 20．optional adj.可选择的；非强制的→optionally adv.可供选择地→option n．选择权，选项 21．imaginary adj.想象的，虚构的→imagination n．想象；想象力→imagine vt.想象→imaginative adj.富有想象力的 22．amazing adj.了不起的；惊人的→amaze vt.使惊异→amazed adj.惊奇的，吃惊的 Ⅲ.重点短语 1．be_addicted_to 沉迷