Unit 1 Cultural Heritage Reading and thinking 课文解释+句型课件-2023-2024学年高中英语人教版（2019）必修第二册

READING AND THINKING Economic development is necessary if we want to improve society. There comes a time when the old must give way to the new, and it is not possible to preserve everything from our past as we move towards the future. Finding and keeping the right balance between progress and the protection of cultural sites can be a big challenge. 如果我们想社会进步，就必须发展经济。新旧更替的时代已经到来，在走向未来的过程中，我们不可能将过去的一切都保存下来。在进步与文化遗址保护之间寻找并保持适当的平衡可能是一个巨大的挑战。 1．There comes a time when the old must give way to the new, and it is not possible to preserve everything from our past as we move towards the future. 分析: 句中when引导的_______________ 从句，修饰______词 a time。as引导___________从句。There is/comes/ was a time when…为固定句式，意为________________ 仿写：曾经有段时间人们没有注意工作和放松之间的平衡。 ______________________________________________________________________________________________________ 限制性定语 先行 时间状语 到了/有这样一个时期 There was a time when people didn’t pay attention to keeping the balance between work and relaxation. 小粉P9 There comes a time... 倒装句 即here，there等表示地点的副词置于句首且主语是名词 可用come，stand，lie，live，appear等代替be动词。 ①There lies a small river in front of our school. ②There lived a rich couple . 完成句子 ①到了我们必须采取有效措施阻止濒危物种消失的时候了。(come) we must take effective measures to prevent endangered species from disappearing. ②河上有座石桥。(stand) across the river. There comes a time when There stands a stone bridge 小粉P9 it is + adj. + to do 该句型中it做形式主语, to do不定式做真正的主语。 拓展：Ø it is + adj. +for sb. to do (easy/difficult/hard/important/necessary/possible/wise)Ø it is + adj. +of sb. to do (kind/nice/stupid/clever/foolish/polite/impolite/silly/considerate） Ø It is +no use/no good/fun/ a great pleasure/a waste of time + doing Ø It is useless/senseless/nice/worth + doing Big challenges, however, can sometimes lead to great solutions. In the 1950s, the Egyptian government wanted to build a new dam across the Nile in order to control floods, p