3.1、The word "surge" in line 9 is closest in meaning to

　　(A) sharp increase

　　(B) sudden stop

　　(C) important change

　　(D) excess amount

　　(原文)The interaction of improve processing and high demand led to the rapid spread of the cultivation of cotton and to a surge in production.

　　3.2、The word "meticulously" in line 7 is closest in meaning to

　　(A) heavily

　　(B) initially

　　(C) carefully

　　(D) completely

　　(原文)The clay used in prehistoric pot making was invariably selected with the utmost care. Often it was traded over considerable distances. The consistency of the clay was crucial; it was pounded meticulously and mixed with water to make it entirely even in texture. By careful kneading, the potter removed the air bubbles and made the clay as plastic as possible.