指示代词this,that.these.those 单数 复数 用法 this:这 these:这些 指距离较近的人或物 that:那 those:那些 之距离较远的人或物注意is/are的使用：this/that+可数名词单数或不可数名词+isthese/those＋可数名词复数（不可以加不可数名词）+are例：离你较近的时候：thisduck这个鸭子theseducks这些鸭子离你较远的时候(经常与overthere连用)：thatduck那个鸭子thoseducks那些鸭子常见句型：1.What is this/that?这是/那是什么？It’s a/an...它是... 2.Is this/that...?这是/那是...吗？Yes,it is.是的，它是。No,it isn’t.不，它不是。 3.What are these/those?它们是什么？They are...它们是... 4.Are these/those...?这些/那些是...吗？Yes,they are.是的，它们是。No,they aren’t.不，它们不是。 【补充部分：名词规则变化】1、一般情况（包括以e结尾的名词）,加-s例：cup(杯子)-cups,cat-cats,cake－cakes,flag(旗子)-flags,face(脸)－faces2、以s,x,ch,sh结尾,加-es例：class(班级)-classes,box(盒子)-boxes,watch(手表)-watches,brush(刷子)-brushes3、以辅音+y结尾变y为ies例：city(城市)-cities,country(国家)-countries,study(书房)-studies注意：以元音+y结尾,加-sboy-boys,ray(光线)-rays,day-days4、以o结尾有生命加-es例：mango(芒果)-mangoes,hero(英雄)-heroes,tomato(西红柿)-tomatoes,potato(土豆)-potatoes没生命加-s例：zoo(动物园)-zoos,photo(照片)-photos,piano(钢琴)-pianos5、以f,fe结尾变f,fe为ves例：leaf(叶子)-leaves,knife(小刀)-knives,wife(妻子)-wives练习： 一．单选 ()1.-Look，what is _____?-It’s an eraser. A.this B.that C.these D.those ()2.Are _____your watches over there? A.this B.that C.these D.those ()3.______this your friend? A.is B.Are C.Is D.are ()4.______those his dictionaries? A.is B.Are C.Is Dare ()5.-Is that Mary’s schoolbag?-_________ A.Yes,it isn’t. B.No,it is. C.Yes,it’s. D.No,it isn’t. ()6.-Is this your friend?-_______ A.Yes,he is. B.Yes,it is. C.No,its not. D.Yes,I am. ()7.-Are these Helen’s pencils?-_______ A.Yes,they’re. B.No,they are. C.Yes,they are. D.No, it is.()8.-What are those?-______ A.They are box. B.They are boxes. C.It’s a box. D.Yes,they are. ()9.-What is this in English?-______ A.Its an eraser. B.It’s a eraser. C.It’s my an eraser. D.It’s my eraser.
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八年级地理上册填图题岩土工程勘察试题省略号的作用及举例应急救援安全知识车间5s试题及答案
：1-5ADCBD6-9AABD2．用am \is\ are填空。 1，How______you ? I______fine. 2,This______ my brother. His name______Peter. He______five. 3,What______your name ? I______Kate. 4, Who______ she? She______my mother. 答案：1.aream2.isisis3.isam4.isis3．按要求改写句子 1.Is this your pen?(作否定回答) ______________________________________________2.Are those Kate’s parents?(作肯定回答) ______________________________________________3.These are oranges.(对划线部分提问) ______________________________________________4.Those are my cousins.(对划线部分提问) ______________________________________________5.Is this her dictionary?(改为复数) ______________________________________________6.Those aren’t my watches.(改为单数)______________________________________________答案：1.No,itisn’t.2.Yes,theyare.3.Whatarethese?4.Whoarethose?
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