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《单元语法聚焦》Save Our World! PPT第一部分内容:教材典据1. It was World Environment Day.那天是世界环境日。2. It means “garbage” in American English.在美式英语中,它的意思是“garbage”。3. Let's do it now. 让我们现在就做吧。4. I think it's our duty to protect the environment.我认为保护环境是我们的职责。5. It is a waste to use paper only on one side.仅单面用纸是一种浪费。... ... ...单元语法聚焦PPT,第二部分内容:语法探究1.基本用法(1)用作________代词,代替前面提到过的事物。例如:This is a new dictionary. I bought it yesterday.这是一本新词典,我昨天买的它。(2)代替________代词,相当于this或that。例如:—What's that?那是什么?—It's an MP3. 它是一部MP3。(3)表示某人(who,someone,somebody等)的身份,还可指代不明性别的人或婴儿(baby)等。例如:Someone is coming upstairs. It must be the postman.有人上楼来了,一定是邮递员。—Go and see who is knocking at the door.去看看谁在敲门。—It's Bill.是比尔。(4)指________、距离、自然现象(天气、气候、明暗)、度量、价值等。例如:It's Sunday today.今天是星期天。It's three months since he came here.他到这里已经三个月了。How far is it to the Great Wall?到长城有多远?It's getting dark.天色渐暗。2.it的句法功能这时的it没有词义,只是帮助改变句子结构,使句子显得平衡一些或强调某一句子成分。(1)用作________主语。it作形式主语时置于句首,而将作真正主语的动词不定式(短语)、动名词(短语)或主语从句放到后面。例如:It is necessary to ask the teacher for help.向老师求助是必要的。It hasn't been decided whether to hold a meeting this week.本周是否召开会议还没有决定。常用于下列句型中:①It is +adj.+(for sb.) to do sth. 意为“(对某人来说)做某事……”。例如:It's important for us to protect the environment. 对我们来说保护环境(很)重要。②It's time to do/for/that… 意为“到……时间了”。例如:It's time to get up/for supper/that we go to school.是起床/吃晚饭/上学的时间了。③It's one's turn to do sth. 意为“轮到某人做某事了”。例如:It's your turn to answer the question.轮到你回答问题了。... ... ...单元语法聚焦PPT,第三部分内容:实战演练Ⅰ. 单项填空(  )1. 2017·安徽—Is this iPad yours?—Yes. My parents bought ________ for my language learning.A. one  B. itC. other D. another(  )2.2017·兰州Do you think ________ acceptable for a group of women to dance to loud music on the square near your house?A. it B. thatC. this D. its(  )3. 2017·成都改编 Mike lost his school ID card this morning.He is looking for ________ now.A. it B. himC. them D. that【解析】考查代词的用法。句意:今天早上迈克把他的学生证弄丢了。他现在正在寻找它。指代前句出现的可数名词的单数card,故用代词it。代词it指代物;him指代表示男性的人。故选A。(  )4.—________ nearly took us an hour to walk here.—Have a drink, then. You ________ be thirsty.A. This; may B. It; mayC. This; must D. It; must... ... ...关键词:冀教版八年级下册英语PPT课件免费下载,单元语法聚焦PPT下载,Save Our World!PPT下载,.PPT格式; 本作品中主体文字及图片可替换修改,文字修改可直接点击文本框进行编辑,图片更改可选中图片后单击鼠标右键选择更换图片,也可根据自身需求增加和删除作品中的内容,源文件无水印。如认为该内容涉嫌侵权,可通过邮件提出书面通知,我们将及时处理。
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