墨西哥的英文国名是Mexico。（)

Mexico and Brazil have very different trading patterns. Mexico trades mainly with the United States，Brazil trades about equally with the United States and with the European Union; Mexico does much more trade relative to its GDP.Explain these differences using the gravity model，

The quantity of direct foreign investment by the United States into Mexico has increased dramatically during the last decade. How would you expect this increased quantity of direct foreign investment to affect migration flows from Mexico to the United States， all else being equal？

A.在新兴工业化国家，如土耳其或墨西哥，原材料和劳动力的成本都远高于中国。

B.emerging

C.emerge

D.developed

E.develop

India and Mexico both followed import substitution policies after World War I . However， India went much further，producing almost everything for itsele， while Mexico continued to rely on imports of capital goods. Why do you think this difference may have emerged？

A、Senegal

B、SaudiArabia

C、SriLanka

D、Singapore