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'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 ta即water(自来水),because they were
some creative ideas,too.
温套提乐精完成《课后提升练》P75~P76司题
专题七冠词
[贵m:语法填空:2023.49]
P命题点》不定冠词a/an贵阳:语法填空:,9]
用于第一次提到的
I went to the shop and bought
1.不定冠词a和an的区别
人或事物
a watch.
a用在以辅音音素开头的单词前(如:a
book,abox),an用在以元音音素开头的单词
用于序数词之前表
After reading the story,he
前(如:an honest boy,an hour)。
示“再一,又一”
wants to read a second time.
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
Aa
an American girl
用在某些抽象名词
a great joy
an exciting job
a European country
或物质名词前表示
a heavy rain
an egg
an eight-year-old boy
“一阵、一份、一场”
a strong wind
an eleven-year-old boy
用于集体名词前
This is a family of three.
li
an idea
an interesting story
3.不定冠词的常见搭配
0 o an orange an old man an outgoing girl
a useful book
介词
in a word总之
a university student
in a hurry匆忙
Uu
a UFO
词组
in a moment立刻
as a result结果
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
用法
示例
keep a diary记日记pay a visit to拜访
动词
have a cold感冒
have a toothache牙疼
I want to buy a watch for my
词组
泛指某一类人或事
take a photo拍照
make a living谋生
mom.
物中的一个或一类
have a good/great time玩得偷快
It seems to be an int