二、冠词
考试标准：了解a(an)和the的基本用法及不用冠词的情况。
1、不定冠词a, an
a用在辅音音素开头的词前 eg. a book
a useful book a “u”
[ju:sful] [ju:]
an用于元音开头的词前. eg. an apple
an hour an “F”
[au ] [ef]
2、定冠词the
1)特指某人/某物
The book on the desk is mine.
2)世上独一无二的事物前
the sun , the moon, the earth, the sky
