△——Do you like a blue bike for your birthday?
——But I prefer the a green one.
解：不定冠词a/an表示泛指，the表示特指。
△——By the car.
解：当by短语表示“用……交通工具”时，名词前不加冠词，也不用复数。
△——An A umbrella.
解：元音字母开头的单词前，冠词不一定用an，音标为元音音素开头的单词前才用an.
元音音素包括： /α:/、/כ/、/כ:/、/u/、/u:/、/∧/、/∂/、/∂:/
1) [i:] sea, he, see, piece, ceiling
2) [i]sit, build, miss, myth
3) [e] bed, desk, head,
4) [ ae] bad, land, bank, stamp (a和e中间是连起来的)
5) [a:] car, fast, class, plant, calm, aunt
6) [ ɔ] hot, want
7) [ ɔ:] door, more, sport, ball, warm, author, court, bought, caught
8) [u:] good, who, blue, soup,
9) [u] look, put, women, could
10) [ ʌ] cup, come, blood, rough
11) [ ə:] girl, work, serve, nurse
12) [ə ] cadre, ago, forget, polite, dollar, doctor, famous, Saturday
13) [ei] cake, they, play, eight, great,
14) [ai] bike, die, neither, light, try, find, height, eye
15) [əu ] phone, cold, boat, soul, grow
16) [au] house, town
17) [ɔi ] boy, oil
18) [iə ] dear, idea, deer, here, fierce,
19) [ɛə ] pear, care, there, fair
20) [ uə] tour, poor,
△8个小例题。
1.Jackie Chan is ＿ great actor. I really like his movies.(2008温州)
A.a
B.an
C.the
D./
2.This is _ interesting story-book and it is also __ useful one.
A. a; a
B. an; an
C. an; a
D. a; an
3.Mary's brother hit Tom on ＿nose.
A.a
B.an
C.the
D./
4.My mother does __ at home.
A.washing
B.washings
C.the washing
D.a washing
5."Don't read in __ bed, __ Robert. "
A. /; /
B. the; /
C. a; the
D. the; the
6.— What can I do for you?
— I want __ MP4 player for my daughter.
— I want __ MP4 player for my daughter.
A. a
B. an
C. the
D. /
7.__ history of this special Pacific island brought __ unusual feeling to me.
A. The; a
B. A; an
C. The; an
D. A; a
8.Have you seen __ pen? I left it here this morning.
— Is it __ black one? I think I saw it somewhere.
— Is it __ black one? I think I saw it somewhere.
A. a; the
B. the; the
C. the; a
D. a; a