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第十单元重、难点问答

来源:101教育网整理 2017-09-27 字体大小: 分享到:

  1.How does nature form a danger to people in the world and how can science help reduce that threat?

  [问]reduce的主要用法有哪些?

  [答]reduce意为\"把......减少\"、\"降低(价格)\"、\"缩小(程度、尺寸等)\",是及物动词。例如:

  She reduced her weight by 6 kilograms.她的体重减轻了6公斤。

  The bike was reduced from 300 yuan to 200 yuan.这辆自行车的价格从300元降到200元。

  You must reduce your expenses.你必须减少你的开支。

  reduce还表示\"使成为\"、\"使处于(某种状态)\",多用于被动语态,且与介词to连用。例如:

  The house was reduced to ashes.房子被烧成灰烬。

  In the past,she was reduced to begging.在过去,她被逼得去讨饭。

  2.Some people got into a total panic,when the typhoon pulled the roofs off their houses and cars went up in the air.

  [问]get into a panic表示什么意思?

  [答]get into a panic意为\"进入恐慌状态\",是固定搭配,可与about连用,引出原因。例如:

  They got into a panic about the fire in the building.他们因大楼起火而变得慌乱起来。

  He got into a panic when he thought he\'d forgotten the passport.他想起忘了带护照时,惊慌起来。

  3.The sight of it awoke the scientist in my uncle to go and see it from closer at hand.

  [问]at hand能用by hand替代吗?

  [答]不能。at hand意为\"在近处\",是介词短语,而by hand则表示\"用手\"。例如:

  We live close at hand.我们住在附近。

  Fortunately there was someone at hand.幸好附近有人。

  This desk was made by hand.这张桌子是手工制作的。

  at hand还表示\"在手边\"、\"即将来到\",作状语或表语。

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