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Lesson 71 A famous clock 一个著名的大钟

Summary writing摘要写作

Answer these questions in not more than 75 words.xiao84.com

回答下列问题,将答案组成一个段落,不要超过75个单词。

1  When were the Houses of Parliament burnt down? Who was made responsible for the construction of a huge clock? Did it become known as Big Ben or not?(After…which…)

2  Why is it very accurate despite its immense size?(for)

3  Has this clock often gone wrong, or has it rarely gone wrong? Why can it be heard on the B. B. C. when it is striking? (This clock which…because…)

Composition作文

Write two or three sentences using the ideas given below:

用以下词组写出2至3个句子来:

Big Ben tells correct time----is also tells us when Parliament is in session----there is a light in the clock tower----it is kept on until the House closes----sometimes it is on all night.

Letter writing书信写作

Learn the following phrases by heart:

熟记以下两个开头语:

I wonder how you learnt that…

You will never guess who/what…

Exercise练习

Write two short paragraphs (of not more than two sentences each) completing the above phrases.

用以上开头语写出两小段话,每段不要超过两句。

Key structures关键句型

Review KS60-69复习第 60-69课关键句型

The moment you leave this tent, you will get a big surprise. (KS60) (第 60课)

By the time you read this, the Hubble's eagle eye will have sent us thousands of wonderful Pictures. (KS61) (第61课)

The planes had been planting seed for nearly a month when it began to rain. (KS62) (第62课)

If the British had not feared invasion, it would have been completed. (KS64) (第64课)

Must, Have to, Should and Ought to. (KS65) (第65课)

Have (KS66) (第66课)

After having been instructed to drive out of town, I began to acquire confidence. (KS69) (第69课)

Exercises练习

A  Underline the verbs in the passage. Revise any Key structures you have forgotten.

划出课文中所有动词,复习已遗忘的句型。

B  Give the correct form of the verbs in parentheses. Do not refer to the passage until you finish the exercise.

用正确的动词填空,完成练习后再对照课文核对你的答案。

1  When you ____ (visit) London, one of the first things you will see is Big Ben, the famous clock which ____ (can/hear) all over the world on the B. B. C. If the Houses of Parliament ____ (not burn) down in 1834, the great clock would never have been erected.

2  Officials from Greenwich Observatory have the clock ____ (check) twice a day. On the B. B. C. you can hear the clock when it actually ____ (strike) because microphones ____ (connect) to the clock tower.

3  Once, however, it failed to give the correct time. A painter who ____ (work) on the tower hung a pot of paint on one of the hands.

C  Give the correct form of the verbs in parentheses:

用正确的时态填空:

1  I shall have completed this novel by December. By then I ____ (work) on it for ten months.

2  Now that you ____ (finish) work you can go home.

D  Supply the correct form of should, ought to or have to in these sentences:

用should, ought to或have to填空:

1  I couldn't go shopping yesterday afternoon. I ____ (go) to the dentist.

2  I really ____ (buy) a new car but I can't afford to.

3  I didn't know you would be late. You ____ (telephone).

Special difficulties难点

Words often confused 经常容易混淆的词

Study these examples:

细读以下例子:

a  Official, Employee, Shop assistant.

Officials from Greenwich Observatory have the clock checked

twice a day. (11.8-9)

The Customs official asked me several questions.

那个海关官员问了我好几个问题。

Over a thousand factory employees went on strike.

上千工厂的工人罢工了。

She works as a shop assistant in a clothing store.

她在一家服装商店当店员。

b  Hang/Hung and Hang/Hanged.

A painter hung a pot of paint on one of the hands.

(11.11-12)

When the sun came out, she hung the washing on the line.

当太阳出来的时候,她把洗好的衣服晾在绳子上。

The murderer was hanged.

杀人犯被绞死了。

Exercise练习

Choose the correct words in the following sentences:

选择正确的词:

1  The (clerk) (shop assistant) who served me was very helpful.

2  I (hanged) (hung) my coat in the hall.

3  Capital punishment has been abolished. Murderers will not be (hung) (hanged) in future.

Multiple choice questions多项选择题

Comprehension理解

1  Big Ben was built ____.

(a) for the B. B. C.

(b) after a fire

(c) in honour of Sir Benjamin Hall 

(d) long before 1834

2  Accuracy is maintained ____.

(a) by microphones in the clock tower

(b) by workmen

(c) because the clock is at Greenwich Observatory

(d) by officials who check the clock frequently

Structure句型

3  Big Ben is one of the first sights you will see when you ____ London.

(a) will visit

(b) visit

(c) have visited

(d) will be visiting

4  Big Ben is the ____ clock in London.

(a) famousest

(b) most famous

(c) more famous

(d) famouser

5  It is ____ very big and very accurate.

(a) and

(b) also

(c) both

(d) together

6  How often ____ checked?

(a) have they it

(b) they have it

(c) do they have it

(d) they do have it

7  A painter ____ working on the tower hung a pot of paint on one of the hands.

(a) who

(b) had been

(c) had

(d) ----

Vocabulary 词汇

8  The clock was erected after 1834. That's when it was put ____.

(a) in

(b) up

(c) off

(d)down

9  Sir Benjamin Hall was responsible. It was his ____ to see to it.

(a) responsible

(b) duty

(c) charge

(d)control

10  It is of immense size. It is ____.

(a) great

(b) large

(c) huge

(d)big

11  You can hear it when it is actually striking. You can hear it ____ it is striking.

(a) the hour

(b) the moment

(c) really

(d) indeed

12  The clock slowed down. It ____ .

(a) was slow

(b) was behind

(c) went back

(d) went slowly

Sentence structure句子结构

Rewrite this sentence with if … not, then check your answer against the text.

用if … not来改写以下句子,然后对照课文第3-4行,核对你的答案。

The Houses of Parliament had been burned down and that's why the great clock was erected.