appendix-1写作同义词替换精华。
appendix-2 50个写作常用词组（基础类）
一） 积极词组（论证正面的方面）
1. benefit from 从….中受益。
例句：others, however, believe that boys and girls benefit more from attending mixed school.
详解：（同义词组） be beneficial to (注意与benefit from的主语和宾语位置正好相反)
例句：others, however, believe that attending mixed school is beneficial to boys and girls
2. invest in 对……投资。
例句：the government should invest a large proportion of its budget in helping the needy, despite the economic recession.
详解：(反义词组) withdraw the funding of…/ suspend the funding of… 中止对……的投资。
（同义词组）fund sth/ subsidize sth/ allocate money to sth.
例句：the local authority is subsidizing the transport service.
3. promote the development of 促进……的发展。
例句：even though the city has invested millions of pounds in museums and art galleries, it has done little to promote the development of education and medical care.
详解：（同义词组）facilitate the development of …
4. boost efficiency/ boost productivity 提高效率/提高生产率。
例句：the main question about high-tech education is whether it actually boosts the efficiency and the effectiveness of learning.
5. play a pivotal role in 在……中起到关键作用。
例句：vitamins and minerals play a pivotal role in keeping our body healthy.
详解：（同义词组）play a crucial/essential role in…
6. enrich one’s social/academic/professional experience 丰富……的社会的/学术的/职业的经历
例句：working for a period before going to university can greatly enrich students’ social experience and make them more capable in university.
详解：（同义词组）expand one’s outlook/vision (不要用broaden one’s horizons)
(反义词组) limit/restrict one’s vision
7. keep society safe and stable 保持社会稳定。
例句：harmony keeps society safe and stable while conflict disturbs social order.
详解：（同义词组） maintain social stability
8. h**e a duty/obligation to do 有责任去做……
例句：in most european countries, parents h**e a legal obligation to ensure that their children receive proper education.
详解：（同义词组）be obligated to do sth be accountable for doing sth
反义词组) be exempt from doing sth 被免除某种责任，比如paying taxes
9. relax their bodies and ease their minds 使人放松身心。
例句：children not only need opportunities to acquire knowledge, they need time to relax their bodies and ease their minds as well.
详解：（同义词组）afford(提供给) sb. entertainment and pleasure
10. be based on… 基于……
例句：discipline should be based on a positive, loving parent-child relationship instead of on force and punishment.
详解：(同义词组) lay the foundation for… 为….打好基础。
11. generate employment opportunities 创造就业机会。
例句：international tourism can generate employment opportunities. on the other hand, it may damage the cultural heritage of a nation.
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