其中，语法内容包含虚拟语气、强调句型、定语从句、it做形式主语、非谓语动词等等。同学们在读句子时，要注意这些语法内容的运用，还有，较好把句子中的重点单词全部掌握住！当然，除人名、地名外。下面是小编为大家准备的寒暑假英语素材，接下来跟小编一起来看一下吧。
　　1.If the rules of perspective had not been discovered, no one would have been able to paint such realistic pictures.
　　如果没有发现透视法，人们就不可能画出如此逼真的画。
　　2.Without the new paints and the new technique, we would not be able to see the many great masterpieces for which this period is famous.
　　没有新的颜料和新的(绘画)手法，我们就不能看到很多使这一时代著名的杰作。
　　3.Among the painters who broke away from the traditional style of paining were the Impressionists，who lived and worked in Paris.
　　在那些突破传统画法的画家中，有生活和工作在法国巴黎的印象派画家。
　　4.You can also explore Frick's beautiful home and garden which are well worth a visit.
　　你还可以好好考察一下弗里克美丽的故居和花园，它们是很值得一看的。
　　5.When you walk into the gallery, you feel as if you were inside a fragile, white seashell.
　　当你走进画廊的时候，你会觉得你进入了一个易碎的白色贝壳之中。
　　6.It is amazing that so many great works of art from the late 19th century to the 21st century are housed in the same museum.
　　令人惊奇的是，在同一家博物馆里竟能容纳下19世纪后期到21世纪的如此众多的名家巨作。
　　7.There are various reasons why people write poetry.
　　人们写诗有着各种各样的理由。
　　8.The language is concrete but imaginative, and they delight small children because they rhyme, have strong rhythm and a lot of repetition.
　　（童谣的）语言具体但富有想象力，这能使小孩子们快乐，因为它们押韵，节奏感强,并较多重复。
　　9.By playing with the words in nursery rhymes, children learn about language.
　　通过童谣中的文字游戏，孩子们学习了语言。
　　10.With so many different forms of poetry to choose from，students may eventually want to write poems of their own.
　　有了这么多可供选择的诗歌类型,学生们也许想自己作诗了。
　　11.I think my long and active life must be due to the healthy life I live.
　　我想我之所以长寿而且精力充沛,要归功于我的健康生活。
　　12.It isn't easy to stop smoking, but millions have managed to quit and so can you.
　　戒烟不容易，但许许多多的人都成功地戒掉了烟，所以你也能戒烟。
　　13.Every time you feel like smoking a cigarette, remind yourself that you are a non-smoker.
　　每当你想要吸烟的时候,你就提醒你自己,你(已经)是不吸烟的人了。
　　14.All scientists subscribe to the view that the increase in the earth's temperature is due to the burning of fossil fuels like coal, natural gas and oil to produce energy.
　　所有的科学家赞同这种观点：人们为了生产能量而燃烧化石燃料如煤、天然气和石油，从而引起了地球温度的升高。
　　15.It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.
　　这意味着更多的热量被困在大气层中，从而引起全球温度上升。
　　16.They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.
　　他们还赞同下述观点，正是燃烧越来越多的化石燃料导致了二氧化碳的增加。
　　17.It's OK to leave an electrical appliance on so long as you are using it — if not, turn it off!
　　在用电器设备时你可以让它开着，如果不用就把它关掉!
　　18.Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast.
　　收集和评估了这些信息之后，我就帮助其他科学家一起预测下次火山熔岩将往何处流去，流速是多少。
　　19.I was about to go back to sleep when suddenly my bedroom became as bright as day.
　　我刚要再睡,突然我的卧室亮如白昼。
　　20.Having studied volcanoes now for many years, I am still amazed at their beauty as well as their potential to cause great damage.
　　虽然我从事火山研究很多年了,但是我对火山的壮丽景色以及它那潜在的巨大破坏力至今仍然感到惊愕不已。