C

In almost every big university in the United States,football is a favourite sport.American football is different.Players sometimes kick the ball,but they also throw the ball and run with it.They try to take it to the other end of the field.They have four chances to move the ball ten yards.They can carry it or they can throw it.If they move the ball ten yards,they can try to move it another ten yards.

If they move it to the end of the field,they receive six points.

It is difficult to move the ball.Eleven men on the other team try to sTOP the man with the ball.If he does not move the ball ten yards,his team kicks the ball to the other team.

Each university wants its own team to win.Many thousands of people come to watch.They all shout for their favourite team.

Cheerleaders come on the field to help the people cheer more.They dance and jump while they shout.

Each team plays ten or eleven games each season.

The season begins in September and ends in November.If a team is very good,it may play another game after the season ends.The best teams play again on January!,the first day of the New Year.

Many people go to see these games and many others watch them on TV.

43.The passage talks about||||||||||.

A.football

B.how to play football

C.American sports

D.American football

44.Why is it difficult to move the ball?Because||||||||||.

A.ten yards is a long way

B.the other team tries to sTOP the ball being moved ten yards

C.the playing field is very large

D.eleven men have to catch the ball one by one

45.If they.||||||||||,the teams will play on January 1.

A.receive six points

B.play eleven games in the season

C.are one of the best teams

D.move the ball to the end of the field

46.Many people come to watch football and they want their team to win.Which of the following is not their act?

A.Jumping.

B.Dancing.

C.Crying.

D.Shouting.

43.D

本题是细节总结题。题干问的是：这篇文章介绍了什么?依据文章内容，本文介绍了美式足球。即本题选择D。

44.B

本题是细节题。题干问的是为何移动球非常困难?依据文章第二段内容，移动球非常困难是由于他们球队的人都试图阻止带球的人前进。因此该题选择B。

45.C

本题是细节题。题干问的是哪种队伍可以在1月1日参加比赛?依据文章最后一段的内容，最好的球队可以在1月1日参加比赛。因此本题选择C。

46.C

本题是细节题。题干说的是：很多人都来看球，也期望我们的球队能获得胜利，以下哪项不是他们的行为?依据文章内容判断，只有C不是球迷们的行为。

短文从地理方位、人口、语言等方面介绍了墨西哥，还介绍了首都墨西哥城与特产、特点小吃。