Answer the questions before you read. Then read the passage to findout if your answers are the same as in the passage.
1.Why do millions of Chinese leave the countryside every year?2.How often do you think these people visit their hometowns?
3. What new buildings does the government usually build in towns and villages?
参考答案:
1.They leave their hometown to search for work ing cities.
2.Hardly ever.
3. Large hospitals, new roads and new schools.

(1 ) millions of 成百万上千万
million,百万，使用时前面如果有基数词修饰时不能加“s",只有与of
连用时才可以加。
Example: There are millions of things living on the earth.
There are two million people in this city.
(2) among在……(三者以上）中之一
i live among the mountains.
(3) 46-year-old 46岁的,在句中做形容词修饰名词用。He is a 46-year-old worker.
(4) used to过去常常,以前常常,后接动词原形。l used to return home at least twice a year.
(5) regard with...以……的态度看待某人He regards me with favour．他很赏识我。
(6) since the mid-20th century自从20世纪中期，通常与现在完成时连用。
Kids have learned English since the mid-20th century.