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主语从句学案
学习目标: 1.会判断名词性从句中的主语从句
2.能正确使用主语从句中的连接词
StepⅠ连接词的基本用法
1. Whether he will come or not remains a question.
2. Who will go makes no difference.
3. Why dinosaurs died out remains a puzzle.
4. When we will leave hasn’t been decided.
5. That the earth is round is known to us all.
注意:有时为了使句子结构平衡, 避免“头重脚轻”, 常用it 作形式主语, 而把从句放在后面。﹙温馨提示:这些常用句型要牢记哟﹚
1. It is + n. +从句
It is a pity/a shame/ a surprise/ a fact that...
2.It is + adj. +从句
It’s certain/ possible/ obvious / necessary /important that…
3.It + be +过去分词+从句
It is said/ known/ reported that...
即学即练:
1. That we lost the match was a pity.
________________________________________________
2. It is important that we should keep the balance of nature.
________________________________________________ Ste pⅡ主语从句连接词的选择步骤
1.首先要通读题干,判断为主语从句;
2.然后理顺句意并分析从句中缺少何种成分,从而基本确定答案;
3.最后代入连接词,看是否句意通顺,结构完整,从而最终确定答案。
即学即练:
1. __________ he wants is a dictionary.
2._________we will hold a party outside tomorrow depends on the weather.
3._________ can join in the sports meeting is decided by the teacher.
4. __________ Tom came late made the teacher angry.
5. __________ the earth is becoming warm is a good topic for research.
StepⅢ抗雾霾微写作 (smog)
Spring is the best season of the year. However, __________________________ _______________﹙雾霾越来越严重﹚makes it difficult for us to get close to nature. ________________________﹙据报道﹚smog can cause lung and heart problems.
_________________________ ﹙我们如何抗击雾霾﹚is the most meaningful topic. ______________________________﹙无论是谁想要保护环境﹚should take action now. We need to pick up litter(垃圾) around us. We’d better take a bus instead of private cars, and plant more trees. Let’s do our best to keep the air clear! ___________________ ﹙我们所做的﹚will make a big difference!
What pains us trains us. 让我们痛苦的东西真正地锻造着我们!Whatever is worth doing is worth doing well. 任何值得做的事情都值得把它做好!