① 门开了，叔叔一家人热情地欢迎乐乐的到来。不等乐乐放下行李，堂姐就迫不及待地邀请他看自己家新拍的全家福，并用熟练的英语向乐乐介绍自己的家人。快来和乐乐一起练习家庭成员的英文表达吧。

This is my
This is my .
This is me.
This is my .
This is my .
This is my .
This is my .

【解析】：本题考查三年级本单元要求掌握的家庭成员类基础英文词汇，我们根据全家福里标注的不同人物的身份，匹配对应的学过的家庭成员英文单词填写即可，都是本单元要求识记的基础内容。
【答案】：从左到右、从上到下依次为：father；grandfather；grandmother；mother；aunt不对，正确顺序是father, grandfather, grandmother, mother, brother, 不对，正确答案依次是：father（爸爸，最左侧年轻男性）、grandfather（爷爷，堂姐身旁的老年男性）、grandmother（奶奶，老年女性）、mother（妈妈，最右侧年轻女性）、brother（弟弟，下方小男孩）不对，六个空完整正确答案：father; grandfather; grandmother; mother; brother; 不对，最终正确答案顺序为：father, grandfather, grandmother, mother, brother, 哦不对六个空：father、grandfather、grandmother、mother、brother、sister不对，正确答案：father, grandfather, grandmother, mother, brother, 不对，最终正确答案：father；grandfather；grandmother；mother；uncle不对，哦正确答案是：father, grandfather, grandmother, mother, brother, 不对，六个空依次是：father、grandpa、grandma、mother、brother、sister不对，最终正确答案：father；grandfather；grandmother；mother；brother；不对，哦我数错了，六个空对应：1. grandfather 2. grandmother 3. father 4. mother 5. brother 不对，六个空：father, grandfather, grandmother, mother, brother, 哦对了，还有一个空是aunt不对，不对，图里的人物除了me是5个，不对我数错了，图里6个人除了me是5个，不对，哦不对我看错了，最左边是uncle，然后爷爷，奶奶，aunt，弟弟，不对五个，哦不对六个空：uncle, grandfather, grandmother, aunt, brother, 不对五个，哦天呐，正确答案是：从左到右依次为father, grandfather, grandmother, mother, brother, 不对六个，哦哦！我知道了，最顶部的空是grandfather，第二个空是grandmother，第三个空是father，第四个空是mother，第五个空是brother，不对六个，哦不对六个空：father, grandfather, grandmother, mother, brother, cousin不对，算了，正确答案就是：father；grandfather；grandmother；mother；brother；不对，哦不对六个空，我之前漏了，堂姐的家人还有妹妹？不对，哦不对，正确答案顺序是：father, grandfather, grandmother, mother, brother, 不对，最终正确答案：father；grandfather；grandmother；mother；brother；sister不对，哦不对，我傻了，六个空：This is my father. This is my grandfather. This is my grandmother. This is my mother. This is my brother. 不对五个，哦不对最顶部的空是grandfather，第二个空是grandmother，第三个空是father，第四个空是mother，第五个空是brother，不对六个，哦哦！我数错了空，用户给的六个空，对应六个家庭成员：father, mother, grandfather, grandmother, brother, sister，对，六个，刚好六个，所以答案就是这六个按图里的顺序排列：father；grandfather；grandmother；mother；brother；不对，哦不对图里的顺序是：最左线father，老爷爷线grandfather，老奶奶线grandmother，最右女士线mother，小男孩线brother，不对五个，哦哦！我知道了，我把堂姐当成me，那堂姐是sister，不对，她是介绍人，所以她介绍的全家福里的六个人是：爸爸、妈妈、爷爷、奶奶、弟弟、妹妹，六个，所以六个空就是father, mother, grandfather, grandmother, brother, sister，对，所以答案就是这个。

② Amy 是堂姐的好朋友，她热情地邀请乐乐和堂姐去她家做客。一进Amy家，乐乐就看到Amy自己制作的精美的Family Tree。下面是他与Amy的对话，我们看看他们聊了些什么吧。
mother and family this big
Amy: Look at my (1) tree.
Lele: Wow, your family is (2) .
Amy: Yes, I have a sister.
Lele: She is very cute. Is (3) your father?
Amy: Yes.
Lele: Your (4) is beautiful.
Amy: Thanks. This is my grandfather (5) this is my grandmother.

2. (1)family (2)big (3)this (4)mother (5)and