专题三冠词
重难点精讲
考点精讲
不定冠词a/an的用法区别
不定冠词a(an)是“一个”的意思。a用在以辅音音素开头的单数可数名词或字母之前，an用在以元音音素开头的单数可数名词或字母之前。经常在考题中出现的有：
A a an apple/an artist/an aunt/an Asian country/an American girl
E e a European country/an egg/an eight-year-old boy/an eleven-year-old boy
I I an idea/an interesting story
O o a one-eyed wolf/an orange/an old man/an outgoing girl
U u a useful book/a university student/a UFO/a usual story
an umbrella/an ugly man/an uncle/an unusual story/an unhappy smile
