Unit 5 Poems【核心句式】-2021-2022学年高二英语下册链接教材精准变式练（人教版2019选择性必修第三册）

核心句式 Unit5 （解析版） 2021-2022学年高二英语下册链接教材精准变式练（人教版2019） ( 教材 核心词汇 知识链接 及典例解读 ) 1. “主语+be+adj.+动词不定式” 教材P50》The poems may not make sense and even seem contradictory， but they are easy to learn and recite.这样的诗歌也许讲不通，甚至似乎自相矛盾，但是很容易学习和背诵。 句式剖析 本句的结构分析如下∶ The poems may not make sense and even seem contradictory, 第一分句 but 并列连词 they are easy to learn and recite. 第二分句，为"主语＋be＋adj.+动词不定式"句型 考点提炼 "主语＋be+ad.（+for sb.）+动词不定式"句型 （1）用于该句型的形容词多为表示主语的性质、特征的词。常见的此类形容词有easy,difficult, hard, important,impossible,interesting,pleasant,nice,comfortable, dangerous，heavy 等。 （2）构成动词不定式的动词和句子的主语存在逻辑上的动宾关系，但不定式通常用主动形式表示被动意义。若构成动词不定式的动词为不及物动词，其后要加上相应的介词。 （3）动词不定式有时会带上自己的逻辑主语，并用for引出。 lt is generally believed that Hainan is comfortable for the old to live in through the winter.（大家）通常认为，老人在海南过冬是很舒服的。 The tough situation is really difficult for a beginner to deal with. 这种棘手的局面对新手来说真的很难应付。 The chair is comfortable to sit on.这把椅子坐上去很舒服。 语法填空 1.（全国Ⅱ卷语法填空改编）Bamboo plants are associated with health, abundance and a happy home. They are easy ________(care) for and make great presents. 2.（江苏高考单项填空改编）The disappearance of dinosaurs is not necessarily caused by astronomical incidents. But alternative explanations are hard __________(find). 3.（北京高考阅读理解改编）Credibility is hard________(earn)but easy___________(lose), and the problem is only going to get harder from here on out. 4.（天津市第一中学期末）It was only after he had read the papers that Mr Gross realized that the task was extremely difficult__________(finish) 【答案解析】1.to care 2.to find 3.to earn; to lose 4.to finish 2. “while作并列连词的用法” 教材P50》Some rhyme（like B and C），while others do not.有些清单诗押韵（如诗歌 B和诗歌C），有些则不押韵。 考点提炼 while 作并列连词的用法 while 作并列连词时，表示对比，意为"而"，用来连接两个并列分句。 I like tea while my brother likes coffee.我喜欢喝茶，而我哥哥喜欢喝咖啡。 Tom is very outgoing and confident while his sister Katy is shy and quiet.汤姆非常外向、自信，而他的妹妹凯蒂却羞涩、文静。 归纳拓展 while 作连词的其他用法∶ （1） 作从属连词，引导时间状语从句，意为"当……的时候"，常位于句中。 Never get on or off a bus while it is still moving.公共汽车还没停稳时千万不要上下车。 （2）作从属连词，引导