11. A. Since then B. From now on
C. All the time D. Before then
答案:A
解析:since then "自那以后";from now on "从现在开始";all the time "始终";before then "那时以前"。
12. A. were B. would be
C. have been D. will be
答案:C
解析:since then 常与现在完成时连用。
13. A. contain B. mention
C. consist D. include
答案:D
解析:contain "含有(成分)", 如:The food contains sugar; mention "提及";consist "由......组成";include "包含(内容)", 如:The book includes history, culture and arts.
14. A. had B. were
C. was D. used to
答案:C
解析:此定语从句的先行词是an ancient city。
15. A. middle B. spots
C. centre D. city
答案:C
解析:政治、经济和文化中心。
16. A. helped B. taken
C. shown D. proved
答案:A
解析:根据上文, 显然是有助于, 用helped。
17. A. about B. less than
C. more than D. or so
答案:C
解析:根据上下文和常识。
18. A. which B. that
C. when D. where
答案:B
解析:that引导同位语从句。
19. A. But B. So
C. And D. Then
答案:A
解析:显然上下段有转折含义。
20. A. another B. any
C. other D. one
答案:C
解析:除已发现的令人惊奇的事物之外的其他事物, 即用other。
第二节 语法填空 (共10小题;每小题1. 5分, 满分15分)
阅读下面材料, 在空白处填入适当的内容(1个单词)或括号内单词的正确形式。