6.答案:C

解析:当序数词表示顺序时用定冠词the;表示再来一个用不定冠词a (an).从句子的意思可知,third one表示再吃一个,所以填a;second one表示所吃的是第二个,所以填the.

5.答案:B

解析:"通过电话"要用定冠词;letters是复数形式,表示泛指,"写信"不用冠词.

4.答案:C

解析:knowledge是不可数名词,当被某些修饰语修饰时,前面要加不定冠词,如:He has a very good knowledge of English.他在英语方面有丰富的知识.

3.答案:C

解析:airplane和experience(经历)都是可数名词,表示泛指,要加不定冠词.从一万英尺高的飞机里跳出来是一个激动人心的经历.

2.答案:A

解析:crossroads是复数形式单数用法,at a crossroads在十字路口.bank是泛指,要用不定冠词.根据bank是单数,可确定crossroads指的是一个交叉路口,而不会是在多路口有一个银行.

1.答案:A

解析:书桌上有一本书是泛指,要用不定冠词a;在你旁边的桌子是特指,要用定冠词the.

16.(NMET 1994, 23) Wouldn't it be _______ wonderful world if all nations lived in _______ peace with one another

A.a; / B.the; / C.a; the D.the; the

●答案解析

15.(NMET 1996, 13) Many people agree that _______ knowledge of English is a must in _______ international trade today.

A.a; / B.the; an C.the; the D./; the

14.(NMET 1997, 7) -Have you seen _______ pen I left it here this morning.

-Is it _______ black one I think I saw it somewhere.

A.a; the B.the; the C.a; a D.the; a

13.(NMET 1999, 8) Paper money was in _______ use in China when Marco Polo visited the country in _______ thirteenth century.

A.the; / B.the; the C./; the D./; /