内容正文:
【知识大串讲】
四年级英语下册Unit 4 精讲精练
重点单词
tomato
西红柿
potato
马铃薯;土豆
green beans
豆角;四季豆
carrot
胡萝卜
horse
马
cow
母牛;奶牛
sheep
羊;绵羊
hen
母鸡
animal
兽;动物
these
这些
eat
吃
goat
山羊
those
那些
garden
花园;菜园
farm
农场
yum
表示味道或气味非常好
重点短语
look at
看…
try some
尝一些
what about
怎么样
a lot of
许多;大量
so big
好大
so long
好长
make me cry
使我流泪
a lot of animals
许多动物
many horses
许多马
so cute
很可爱
my farm
我的农场
have a look
看一看
vegetable garden
蔬菜园
over there
在那儿
on the farm
在农场上
单词发音
字母组合 or 在单词中的发音:
horse 马 fork 叉 homework 作业 world map 世界地图
重点句型
1. 询问物品是什么的问句及答语:
-- What + be动词 + 代词? -- 主语 + be 动词 + 名词.
-- What are these? 这些是什么?
-- They're tomatoes. 它们是西红柿。
2. 询问物品是否是什么的问句及答语:
-- Be 动词 + 代词 + 名词?
-- Yes, 主语 + be 动词. / No, 主语 + be 动词 + not.
-- Are they hens? 它们是母鸡吗?
-- No, they aren't. 不, 它们不是。
重点语法
名词变复数的一般规律
(1) 一般直接在词尾加s:
bag→bags cat→cats
(2) 以s, x, ch, sh结尾的, 在词尾加es:
box→boxes watch→watches
(3) 以辅音字母加y结尾的, 变y为i, 再加es:
baby→babies fly→flies
(4) 以f, fe结尾的, 一般变f或fe为v, 再加es:
leaf→leaves knife→knives
(5) 一些特殊变化:
man→men tooth→teeth
练习
一、在横线上写上相应的字母组合。
1. This is a big f_____m. (ar, ir)
2. These are strong h_____ses.(ur, or)
3. My grandpa works h_____d every day. (al, ar)
4. It's eleven th_____ ty. (ir, ur)
It's time for lunch. I'd like a f_____ k to eat beef. (er, or)
2、 读一读,选出对应的问句或答句。
( )1. Are those turkeys?
A. Yes, there are.
B. Yes, they are.
C. Yes, we are.
( )2. What are those?
A. I like cows.
B. It is a hen.
C. They are sheep.
( )3. I have eleven horses.
A. How many horses do you have?
B. What about those?
C. What are these?
( )4. Are these carrots?
A. No, they aren’t.
B. No, she isn’t.
C. No, he isn’t.
( )5. What are these?
A. It’s an egg.
B. They are hens.
C. We don’t have milk.
( )6. They are yellow.
A. What is it?
B. Is it a carrot?
C. What colour are the tomatoes?
三、请根据中文提示,用适当的单词把句子补充完整。
I see four nice pictures. Look at Picture 1, there are some _________(母鸡)and some chickens. They eat