D

Mexico's neighbours are the United States to the north and Guatemala and Belize to the south.

Mexico is about one quarter of the size of the United States.Mexico has more than ninety million people.The language of Mexico is Spanish.This makes Mexico the world's largest Spanish-speaking country.

Mexico City is the capital and largest city of Mexico.The city is also above the sea level very high.It is 7,349 feet(2,240 metres).This makes it one of the highest capital cities in the world.

The population,of Mexico City grows bigger every day.About thirty million people live there.It has more people than any other city in the world,even more than Tokyo.

Mexico also has its specialities.Many of the foods we eat started in Mexico.Foods like beans,maize,avocados,tomatoes,peanuts,chili peppers,vanilla,and chocolate come from Mexico.Mexico is also famous for its cactus(仙人掌)plants.Mexico has more kinds of cactus than any other country.

47.Mexico is __________ the USA.

A.to the south of

B.on the north of

C.a part of

D.as large as

48.Which of the following is NOT true?

A.Mexico City is the capital of Mexico.

B.The population of Mexico City is 30,000,000.

C.Tokyo is one of the cities with the largest population.

D.Mexico City is the highest city in the world.

49.Tomatoes were originally(最新)grown in__________.

A.America

B.Spain

C.Tokyo

D.Mexico

50.The best title of the passage is

A.Mexico City

B.Mexico's plants

C.Mexico

D.Mexico's population

47.【答案】A

【解题指要】本题是细节题。题干问的是：墨西哥在美国的什么方位?根据常识及文章内容可知，墨西哥位于美国的南部。因此本题选择A。

48.【答案】D

【解题指要】本题是细节题。题干问的是：以下哪个选项是错误的?A说墨西哥城是墨西哥的首都。B说墨西哥城的人口是3000万。C说东京是人口最多的城市之一。D说墨西哥城是地势最高的城市之一。根据文章内容，D为错误选项，文中提到墨西哥城是地势最高的首都城市之一。

49.【答案】D

【解题指要】本题是细节题。题干问的是：西红柿最初种在哪里?根据文章内容得知，西红柿最初种在墨西哥。故本题选择D。

50.【答案】C

【解题指要】本题是归纳题。题干问的是：这篇文章最合适的题目是什么?根据文章内容，可以判断出本文主要介绍墨西哥这个国家。A、B、D都是本文探讨的几个点，只有C最具有概括性。因此本题选择C。