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中级美国英语 Lesson 15: since 与 for 的用法

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在下面一组练习里老师问学生一些有关凯特当教员的问题, 每问一句, 老师就 提出一个指明时间长短的词组, 请学生用 for 跟这个词组来回答问题. 请你在 学生作练习的时候也一起作.

M: How long has Kate been a teacher?

M: a long time

F: She's been a teacher for a long time.

M: How long has Kate taught in elementary school?

M: many years

F: Kate's taught in elementary school for many years.

M: How long has Kate taught this year?

M: 6 months

F: Kate's taught for six months this year.

M: How long has Kate been in school today?

M: 4 hours

F: Kate's been in school for 4 hours today.

下面一个练习是由老师给你念一个现在完成式否定句, 接着老师提出一个表 明时间的词组, 请你把这个词组用进原来的句子里. 注意凡是指明特定的时间 你就必须用 since, 凡是说明时间长短的词组, 你就必须用 for. 每作完一句就 请你听老师念正确答案. 看你作对了没有.

M: Henry hasn't seen his cousin, Susan.

M: last year

F: Henry hasn't seen his cousin, Susan, since last year.

M: Henry hasn't written to his daughter, Jenny.

M: two weeks

F: Henry hasn't written to his daughter,Jenny,for two weeks.

M: Henry hasn't eaten any meat.

M: last week

F: Henry hasn't eaten any meat since last week.

M: Kate hasn't heard from her sister.

M: April

F: Kate hasn't heard from her sister since April.

M: Kate hasn't taken a trip

M: the year before last

F: Kate hasn't taken a trip since the year before last.

M: Kate hasn't bought any expensive clothes.

M: 10 months

F: Kate hasn't bought any expensive clothes for 10 months.

五.听短文回答问题

刚才那个练习你都作对了吗? 现在我们来作今天的听力测验.今天老师要念的 文章是说汽车在美国变得很普遍, 人们以汽车为主要交通工具, 上班, 上街, 去 旅行都要靠汽车.

现在请你注意听, 等一会儿老师会根据这段文章问你几个问题.

Perhaps more than any other people, Americans have come to depend on their cars.

The family car has been a common thing since the early 20th century, and it has changed American life. Many people have moved outside of the large cities to the suburbs.

Some Americans spend two hours a day or more in their cars going to work and home again. Cars have become the means of transportation for most Americans going shopping, and even going on vacations.

Americans used to like big cars, and gasoline used to be very inexpensive. Recently, however, the cost of gasoline has increased, smaller cars have become more common.

Also foreign cars have become very common. Americans have bought large numbers of Japanese and German cars. They have bought cars from several other countries as well.

刚才那段文章要是你没有全懂, 没有关系, 等一会儿我请英文老师再给你念 一遍. 现在我们先来听今天测验的三个问题.

第一个问题是:

M: How long has the family car been a common thing in the United States?

第二个问题是:

M: How has the family car changed American life?

第三个问题是:

M: Do Americans only buy American cars?

现在我们再听英文老师把刚才那段文章用慢速度念一遍.

Perhaps more than any other people, Americans have come to depend on their cars.

The family car has been a common thing since the early 20th century, and it has changed American life. Many people have moved outside of the large cities to the suburbs.

Some Americans spend two hours a day or more in their cars going to work and home again. Cars have become the means of transportation for most Americans going shopping, and even going on vacations.

Americans used to like big cars, and gasoline used to be very inexpensive. Recently, however, the cost of gasoline has increased, smaller cars have become more common.

Also foreign cars have become very common. Americans have bought large numbers of Japanese and German cars. They have bought cars from several other countries as well.

现在请你回答下面三个问题. 每回答一句就请你自己跟老师念的正确答案比 较一下, 看你答对了没有.

第一个问题是:

M: How long has the family car been a common thing in the United States?

F: The family car has been a common thing in the United States for over 40 years.

第二个问题是:

M: How has the family car changed American life?

F: Many Americans have moved to the suburbs. Cars have become the means of transportation for most Americans going to work, going shopping and going on vacations.

第三个问题是:

M: Do Americans only buy American cars?

F: No, Americans have bought cars from Japan, Germany and several other countries.



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