1. a用于辅音发音开头的词前, 如：a book; an用于元音发音开头的词前，如：an apple, an hour. 请区别：a useful machine, an umbrella, a “u”, an “h”。 2.指上文提到过的人或物，用定冠词the。 3.在世界上独一无二的事物前用定冠词the. 如：the sun, the moon, the earth。 4.the用于序数词，表方位的名词和形容词最高级前。the first, the best , in the south。 5.在复数姓氏前加the，表示××一家人，常看成复数。如：the Browns。 6.在介词短语中常用定冠词the，如：in the box ,behind the chair。 7.不能用定冠词the的几个方面： (1)在节日、星期、月份、季节、年等词前不用冠词。如：in summer, in August 请区别：in the spring of 1945. (这里表示特指，故加the)(2)一日三餐和球类运动名不用冠词。如：have breakfast ,play football
(3)一些固定词组中，如：go to bed ,go to school, by bus ,at night. 8.在有些词组中，有冠词和无冠词意思不同，请注意区别：
in front of 在…前面, in the front of 在…范围内的前部
in hospital (生病)住院, in the hospital 在医院里。
三.巩固练习
1.When Linda was a child, her mother always let her have ______ bed.
a. the breakfast in b. the breakfast in the c. breakfast in d. breakfast in the
2.He has promised to give up ______ hundreds of times.
a. tobacco b. tobacco c. the tobacco d. tobaccos
3.______ usually go to church every Sunday.
a. The Brown b. A Brown c. Browns d. The Browns
4.The train is running fifty miles ______.
a. an hour b. one hour c. the hour d. a hour
5.He can play almost every kind of music instrument but he is good ______.
a.at the flute b. at flute c. at a flute d. at that flute
6.The investigators found that more should be done for ______ in India.
a.those poor b. a poor c. poor d. the poor
7.You look in high spirit. You must have ______ during your holiday.
a. wonderful time b. a wonderful time c. the wonderful time d. some wonderful time
8.The city assigned a policeman to the school crossing because ______ traffic there was so heavy.
a .a b. an c. the d. one
9.A new teacher was sent to the village in place of ______ one who had retired.
a. a b. the c. an d. its
10.Virtue and vice are before you;______ leads you to happiness,______ to misery.
a. the former…latter b. a former…a latter
c. the former…the latter d. former…latter
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