2017年高考一輪復(fù)習(xí)黃金學(xué)案――Unit 2 Working the land（必修四）
[重點(diǎn)用法]reduce sth (from...) to... 把某物從……減少到…… reduce sth. by... 減少多少[練習(xí)] 根據(jù)句子意思填入正確的介詞。1). we must reduce our expenses ______ 300 yuan a month. 2). their output has been reduced ______ 10 percent.3). he reduced his weight ______ 6 kilos.keys: 1). to 2). by 3). by 5. focus vt.&vi. 集中(注意力)；聚焦 n. [c,u] 焦點(diǎn)；中心點(diǎn) [典例]1). focus your camera. 把照相機(jī)的焦距調(diào)準(zhǔn)。2). her beauty makes her the focus of attention. 她長(zhǎng)得漂亮, 很惹人注目。[重點(diǎn)用法]focus on集中于 focus (one’ s attention/mind/efforts) on集中(注意力/心思/精力)于 [練習(xí)] 按要求填空或翻譯。1). the focus of recent research has been _______ (介詞) environmental issues. 2). all eyes _______ _______ (集中于) her.3). they focused their mind on ______ (do) the experiment. keys: 1). on 2). focussed on 3). doing6.comment vi.&vt. 表達(dá)意見(jiàn)；作出評(píng)論 n. [c, u] 評(píng)論；議論 [典例]1). the scandal caused a lot of comment. 這件丑聞遭到很多議論。2). “will you resign, minister?” “no comment!”“部長(zhǎng)，你是要辭職嗎?”“無(wú)可奉告�！盵重點(diǎn)用法]comment on/about sth./sb. 對(duì)某事/某人評(píng)論make comments/no comment on sth./sb. 對(duì)某事/某人評(píng)論/不進(jìn)行評(píng)論[練習(xí)] 按要求填空或翻譯。1). have you any comment(s) _______ (make) on the recent developments? 2). asked about the date of the election, the prime minister _______ _______ (發(fā)表意見(jiàn)) no decision had yet been made. 3). she was asked about the pay increase but _______ _______ _______ (不進(jìn)行評(píng)論) on it.keys: 1). to make 2). commented that 3). made no comment v 重點(diǎn)詞組 （旨在提供綜合運(yùn)用所需材料）1. thanks to 幸虧；由于；因?yàn)?(有時(shí)作反語(yǔ)) [典例]1). thanks to your help, much trouble was saved. 多虧你的幫助, 減少了許多麻煩。2). thanks to the bad weather, the match had been cancelled. 多虧這個(gè)倒霉天氣, 比賽取消了。[重點(diǎn)用法]thanks to 相當(dāng)于because of /owing to /due to /thanks to /on account of /as a result of 如：1). he was injured due to /owing to a car accident. 2). his failure is due to the fact that he lacks experience. 3). the train arrived late on account of /as a result of a heavy snow. 4). thanks to him, i’ m getting better and better . 5). it was thanks to your stupidity that we lost the game . [練習(xí)] 翻譯句子。