内容正文:
专题七冠词
综合演练
afraid 32.
the serious pollution.Kyle
Kyle,a 15-year-old student,received the
spent about $60 buying the tools to check the
“Hero Award”,He received the prize for his
water.He hoped to bring a tool to market which is
invention NEREID.The invention can check if
not expensive for checking pollution in drinking
there is something harmful 30.
people
water.33.
this way,he can help
and the environment in water.
people who don't have water filtration(过滤)
Kyle came up 31.
the idea of the
tools.Finally,he succeeded.
invention based on his experience growing up in
Everyone can take action to protect the earth
San Diego,California,US.People couldn't get
34
being polluted.Pay attention to
clean drinking water and his parents asked him not
things 35.
you,and you may think up
to drink tap water(自来水),because they were
some creative ideas,too.
湿馨提示请完成(课后提升练》门5~P76习题
专题七冠词
[其伦市、州:语法填空:2023.78]
P命题点不定冠词a/anl共他市,州:语法旅空:
用于第一次提到的
I went to the shop and bought
2023.78]
人或事物
a watch.
1.不定冠词a和an的区别
a用在以辅音音素开头的单词前(如:a
用于序数词之前表
After reading the story,he
book,abox),an用在以元音音素开头的单词
示“再一,又一”
wants to read a second time.
前(如:an honest boy,an hour)。
下表是常见的以元音字母开头的单词用a/an
表示“每一”,相当
He goes to the supermarket
的各种情况:
于every
three times a week.
an apple
an artist
an Asian country
A注
用在某些抽象名词
a great joy
an American girl
或物质名词前表示
a heavy rain
an exciting job
a European country
“一阵、一份、一场”
a strong wind
an egg
an eight-year-old boy
用于集体名词前
This is a family of three.
an eleven-year-old boy
Ii
an idea
an interesting story
3.不定冠词的常见搭配
00
an orange
an old man an outgoing girl
介词
in a word总之
in a hurry匆忙
a useful book
a university student
词组
in a moment立刻
as a result结果
Uu a UFO
a usual story
an unhappy girl
an umbrella an ugly man an unusual day
take a walk散步
have a rest休息
2.基本用法
have a try/look试一试/看一看
keep a diary记日记pay a visit to拜访
用法
示例
动词
have a cold感冒
have a toothache牙疼
I want to buy a watch for my
词组
take a photo拍照
make a living谋生
泛指某一类人或事
mom.
have a good/great time玩得偷快
物中的一个或一类
It seems