爱华网People become immigrants for many reasons. The most common one is economic opportunities. Most immigrants are attracted to other countries by the promise of jobs, farmland, or business opportunities.
Other people become immigrants in order to get away from mistreatment or natural disasters. They are refugees. Some refugees move to avoid wars and political unrest. Others are seeking freedom to express their religious views. Still others are uprooted by disasters, such as terrible flooding or drought.
Some people have become immigrants against their will. Captured in Africa, shipped to foreign lands and forced to work as slaves, many early African immigrants to North and South America came in chains.
Except for Native Americans, all people came to the United States from someplace else. For nearly 500 years, immigrants have landed on America’s shores seeking a better life. Throughout American history, immigrants often worked low-paying, dangerous jobs that other people refused to do.
Immigrants from around the world helped shape American life. Many immigrants absorbed the customs and language common to most Americans. They also brought their own traditions, including music and foods. Over time, many of these traditions have become part of American life.
The first European immigrants to America hoped to colonize new lands. By the mid-1500s, Spaniards had ventured into Florida, California, and the American Southwest. French immigrants arrived in the early 1600s and built their first colony in Canada. The English also arrived in the early 1600s. They established 13 colonies along America’s AtlanticCoast.
In the 1700s, England became the major power in colonial North America. But many European immigrants came to live in the English colonies. They included people from Sweden, Holland, Germany, Scotland, and Ireland.
Immigrants still come to the United States seeking freedom and economic opportunities. Most new immigrants no longer come from Europe. They come mainly from Central and South America, the Caribbean, and Asia.
Today, the U.S. government limits the number of immigrants into the country each year. People who sneak illegally into the United States are called illegal immigrants, who, if caught, would be sent back to their home countries.
Key Points
Detailed Information
小题1:
Immigrants are those who move to a foreign country to make their homes.
Reasons
Most people come for 小题2:opportunities, such as good jobs, farmlands, or business opportunities.
Some move to the US to 小题3:away from wars or disasters.
Some people immigrate to小题4:for religious freedom.
Some people have become immigrants小题5:, like many early African immigrants.
History
French immigrants小题6:Canada in the early 1600s and built their first colony there.
The English also came to the early 1600s and小题7:thirteen colonies along America’s Atlantic Coast.
In the 1700s, European immigrants came to live in the English colonies, people from Sweden, Holland and etc. are小题8:.
Today
小题9:from the past, the origins of most new immigrants are mainly Central and South America, the Caribbean, and Asia, instead of Europe.
The US government erects dams to小题10:the number of immigrants into the country each yearin check. Illegal immigrants, if caught, would be sent back to their home countries.
题型：完形填空难度：中档来源：不详
小题1: Definition
小题2: economic
小题3: stay/keep
小题4:search/seek
小题5:passively/unwillingly
小题6:reached
小题7:established/founded
小题8:included
小题9:Different
小题10: keep
试题分析：文章介绍了美国移民的组成，当时他们为什么选择移民，陈述了当时的历史和现在的移民形势。
小题1:归纳词：右边是对移民的定义： Definition
小题2: 原词重现：根据第二段的句子：The most common one is economic opportunities.可知移民的普遍的原因是经济方面的：economic
小题3:考查固定词组：根据第三段的句子：Other people become immigrants in order to get away from mistreatment or natural disasters. 可知是词组stay/keep away from远离，
小题4:词形转化题：根据第三段的句子：Others are seeking freedom to express their religious views. 可知seeking改成search/seek
小题5:词义归纳题：从第四段的句子：Some people have become immigrants against their will. 可知这些人是违背自己的意志变成移民的。填passively/unwillingly
小题6:同义词转化题：从第七段的句子：French immigrants arrived in the early 1600s 可知把arriveed改成reached
小题7:原词重现：从第七段的句子：They established 13 colonies along America’s AtlanticCoast.可知填established/founded
小题8:词形转化题：根据第八段的句子：They included people from Sweden, Holland, Germany, Scotland, and Ireland.可知填 included
小题9:词义归纳题：从第九段的句子：Most new immigrants no longer come from Europe. They come mainly from Central and South America, the Caribbean, and Asia.可知是和以前的不同： Different
小题10:词义归纳题：从第九段的句子： Today, the U.S. government limits the number of immigrants into the country each year. 可知limit="keep" ...in check，填keep
考点：
考点名称：序数词序数词的概念：
表示顺序的数称为序数词。如：first, second, third, fourth。
序数词的构成与用法：
1、序数词的构成：
①一般来说，是由相应的基数词加词尾th构成。
例：four＋th→fourth
six＋th→sixth
seven＋th→seventh
ten＋th→tenth
②下面这些基数词在变为序数词时，有特殊的变化。
例：one→first
two→second
three→third
five→fifth
eight→eighth
nine→ninth
twelve→twelfth
③十位整数序数词的构成方法是将基数词的词y变成i，然后再加eth。
例：twenty→twentieth
thirty→thirtieth
forty→fortieth
ninety→ninetieth
④两位或两位以上的基数词变成序数词时，仅将个位数变成序数词。
例：twenty－one→twenty－first
thirty－five→thirty－fifth
a hundred and fifty－three→a hundred and fifty－third
2、序数词的用法：
①序数词在使用时，一般加上定冠词。
例：the first book
the second floor
the third day
the fourth week．
②序数词在多数情况下都用作定语，有的也可以作表语、主语和宾语。
例：The may1st is Labour Day. 五月一日是劳动节。
My room is on the second floor. 我的房间在二楼。
The first is larger than the secon.（主语）第一个比第二个大。
Read the book from the first.（宾语）从开头读这本书。
You'll be the sixth to write.（表语）你将是第六个写的。
③序数词的前面可以加上不定冠词，用来表示“再一”，“又一”的意思。
例：You may have a third try. 你可以第三次尝试。
序数词知识体系：
约数的表达方法：
用tens/dozens/scores/hundreds/thousands/millionsof 表示“几十、几百、上千、成千上万”等。
如：Theboyboughtdozensofpencils.
Thousandsofpeoplediedintheearthquake.
注意： (A)：dozen,score,hundred,thousand,million等表示确切数量时，不用复数。
如：fivedozen(of)eggs五打鸡蛋
hreehundredpeople 三百个人
分数词的构成和用法：
1）分数词构成法：
分数词（FractionalNumerals）由基数词和序数词构成，基数词代表分子，序数词代表分母。除了分子为1的情况下，序数词都要用复数形式：
如：1/4：one-fourth
5/9：five-ninths
2/3：two-thirds
17/5：three and two-fifths
7/12：seven-twelfths
379/8：forty-seven and three-eighths
此外还有下面表示法：
如：1/2：a(one) half
1/4：a(one) quarter
3/4：three-quarters
9/4：two and a quarter
3/2：one and half
31/4：seven and three quarters
