Unit 3 This is my sister

   刘星Liu Xing                  小雨Xiao Yu               小雪Xiao Xue1.This is .....(向别人介绍某人）eg；This is Liu Xing  Liu Xing is Xiao Yu's broter  and  Xiao Yu is also Liu Xing's broter  Xiao Xue is Liu Xing's sister  and  Liu Xing is Xiao Xue's broter  刘梅Liu Mei eg；Liu Mei is their mother   夏东海Xia Donghaieg；Xia Donghai is their father Xia Donghai is Xiao Xue's father  and  Xiao Donghai is also Xiao Yu's father                                *parent(parent+s表示父母双方）eg:This is their mother and this is their father .They are their parents 夏东海的爸爸/刘梅的爸爸：grandfathereg:This is Xia Donghai's fatherXiao Xue's father's father is grandfather 夏东海的妈妈/刘梅的妈妈：grandmotherThis is Xia Donghai's mother and this is Xiao Xue's grandmotherThey are their grandparents
2.These are.....(This复数形式）     Those are......(That的复数形式)                         *介绍别人时，要从长辈到晚辈4.Nice to meet you见到你很高兴        回答：Nice to meet you,too.5.family tree  家谱  梅梅Meimei         梅梅的妈妈Meimei's mother         梅梅的爸爸Meimei‘s father They are Meimei's parents  Meimei is their doughter（女儿）梅梅的祖父祖母They are Meimei's grandparents
亮亮Liangliang            亮亮的妈妈Lingling' mother           亮亮的爸爸Lingling' father  They are Liangliang's parents Liangliang is their son(儿子） Meimei is Liangliang's cousin  Liangliang is also Meimei's cousin Because Meimei's mother is Liangliang' mother's sister   They are sisters  so their children are cousins  and  this is Liangliang's annt and uncie.舅舅 叔叔 伯伯 uncle                  婶婶 舅妈 姨妈 aunt                        英文书信和中文书信的区别 Dear (Mary)， 在中国写亲爱的（爸爸，妈妈）打冒号： 英文里打逗号，6.Thanks for +名词：因为什么而感谢某人eg: Thanks for the photo of your family =Thanks for your family photo.7.Here is my family photo.(是倒装句）=My family photo is here.8.*落款eg；Your friend ，和 写信人 （要写在两行）
    单词:       姐，妹: sister        妈妈，母亲: mother          爸爸，父亲:father           兄，弟: brother          父亲或母亲: parent        祖母，外祖母: grandmother          祖父（母），外祖父（母）: grandparent          那些: those           是: are               这些: these      她: she      他: he      儿子: son     （冠于信函中的称谓，以示礼貌）亲爱的: dear      (表示目的或原因）为了: for      为....而感谢: thanks for      照片，相片: photo      这里，在这里: here      姨母，姑母，伯母，婶母，舅母: aunt           照片，图画: picture       朋友: friend   速记: （f）：付出（ri）日子，（end）：最后,:朋友是付（f）出日（ri）子和金钱陪你到最后（end）的人。      堂（表）兄弟，堂 (表）姐妹: cousin     速记: cou愁；sin四年,为上学的事情，表哥愁四年。       女儿: daughter     速记： da大；ught有个很听；er（人）,大伯有个很听话的女儿.