在每小题列出的四个备选项中只有一个可以替代句中划线的单词或词组，请将其代码填写在答题纸相应的位置上。错选、多选或未选均无分。

1. The strong increase in imports last year is attributed to buoyant economic activity as well as to the success of the Government’s trade and foreign investment policies.

A. ascribed                                                    B. described     

C. distributed                                                  D. contributed

2. In April 1984, the State Council declared 14 cities along the entire coast plus Hainan Island open to foreign investment.

A. demonstrated                                              B. informed      

C. announced                                                  D. displayed

3. In Shanghai, Tianjin and other urban centers, China is trying — with considerable success — to attract high-technology firms that will modernize its economy.

A. considerate                                                 B. considering   

C. great                                                          D. massive

4. Chile has now been growing at an average annual rate of 4.5 percentage points for the past six years.