1. She is ______ newcomer to ______ chemistry but she as already made some
important discoveries.
A. the ; the B. the ; / C. a ; / D. a ; the
2. 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
3. Many people agree that ____ knowledge of English is a must in ____ international trade today.
A. a ; / B. the ; an C. the ; the D. / ; the
4. --- 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. the ; a D. a ; a
5. Paper money was in ____ use in China when Marco Polo visited the country in _____ thirteenth century.
A. the ; / B. the ; the C. / ; the D. / ; /
6. Most animals have little connection with _____ animals of _____ different kind unless they kill them for food.
A. the ; a B. / ; a C. the ; the D. / ; the
7. Most animals little connection with ________animals of _________different kind unless they kill them for food. （2000全国）
A．the ; a B．不填 ; a C．the ; the D．不填 ; the