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• Big Ben is the nickname for the great bell of the clock at the north-eastern end of the Palace of Westminster in London, and is often used to refer to the clock or the clock tower as well.

• The bells of the Great Clock of Westminster rang across London for the first time on 31st May 1859. It celebrated its 150th anniversary in May 2009.

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• The tower is 96.3 metres high. The four clock faces are 55 metres above ground.

• Big Ben is the largest four-faced chiming clock. The four dials of the clock are 23 feet square, the minute hand is 14 feet long and the numbers are 2 feet high. Big Ben is an excellent timekeeper, which has rarely stopped.

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1. Big Ben was built ____• A for the BBC• B after a fire• C in honor of Sir Benjamin Hall• D long before 18342. Accuracy is maintained ___• A by microphones in the clock tower• B by workmen• C because the clock is at Greenwich

observatory• C by officials who check the clock

frequently

B

D

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1. When were the Houses Of Parliament burnt down?

The Houses Of Parliament were burnt down in 1834.

2. Who was made responsible for the construction of a huge clock?

Sir Benjamin Hall was made responsible for the construction of a huge clock.

3. Did it become known as Big Ben or not? It became known as Big Ben.

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1. The Houses Of Parliament were burnt down in 1834.

2. Sir Benjamin Hall was made responsible for the construction of a huge clock.

3. It became known as Big Ben.(after… which)After the Houses of Parliament were burnt dow

n in 1834, Sir Benjamin Hall was made responsible for the construction of a huge clock, which became known as Big Ben.

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4. Why is it very accurate despite its immense size? (For)

It is very accurate despite its immense size, for officials from Greenwich Observatory have the clock checked twice a day.

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

This clock which has rarely gone wrong can be heard on the BBC when it is striking because microphones are connected to the clock tower.

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After the Houses of Parliament were burnt down in 1834, Sir Benjamin Hall was made responsible for the construction of a huge clock, which became known as Big Ben. It is very accurate despite its immense size, for officials from Greenwich Observatory have the clock checked twice a day. This clock which has rarely gone wrong can be heard on the BBC when it is striking because microphones are connected to the clock tower

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• If the houses of parliament ____________________(not burn) down in 1834, the great clock __________________________ (never erect).

• You didn’t come yesterday, so you didn’t see the famous actor.

• If you _________________(come) yesterday, you __________________ (see) the famous actor.

• Last Sunday the boy fell into the river. Luckily a teacher saved him.

• If the teacher _____________(save) him last Sunday, the boy ______________(die).

had not been burnedwould never have been erected

had comewould have seen

had not savedwould have died

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1. parliament

2. erect

3. Benjamin

4. responsible

5. immense

6. extremely

7.accurate8.official9.Greenwich10.observatory11.strike12.microphone13.rarely

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♪It can be heard ___ _____ the world when it is _______.♪It ___ ___ _____ ____Sir Benjamin Hall.♪It is ___ immense size.♪It is extremely ________./ it ______ goes wrong./ it rarely ____ ___give the correct time.♪It is _______ twice a day.

all overstriking

takes its name fromof

accurate rarelyfails to

checked

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• useful expressions1. all over the world2. burn down3. take its name from…4. be responsible for5. be of immense size6. as well7. have the clock checked8. go wrong9. fail to do sth.10.slow down

1.全世界2.焚毁3.得名于4.对…负责5.外型巨大6.也7.使这个钟被矫正8.出差错9.不能做成某事10.变慢

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1. all over the world• 他们已经游遍了全世界。• They have traveled all over the world.• 英国吸引了来自全世界的游客。• The UK attracts visitors from all over the wor

ld. 2. burn down3. take its name from…• Stanford因它的建立者而得名。• Stanford takes its name from its founder. • Stanford is named after its founder.

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4. be responsible for the making of…5. be of immense size

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• He is 16 years old and she is also 16 .

• They are of the same age.

• This apple is red and that apple is green.

• They are of different colors

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be of N.

1. be of+ the same \different+ age\height\ length\depth\width\size\color\shape

2. be of +(great\much \little\no)+ help\use\ value\ importance

• =be helpful\useful\ valuable \ important

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• 1.The decision is of great importance.

• =The decision is very important.

• 2.Your advice is of much value.

• 3.The tapes are of great help to learners of English.

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6. as well

• The clock is both huge and accurate.

• The clock is huge and accurate as well.

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7. have the clock checked

8. go wrong

• Something has gone wrong with my car.

9. fail to

If you fail to plan, you plan to fail .

10.slow down

• He slowed her car down.

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1.全国各地都在处于高温 .2.美国应当对这次金融危机负责 . (finan

cial crisis)3.这本字典很有用 .4.他既聪明又勤奋。5.昨天我让人修理了电脑。6.我的手表坏了。7.这架飞机无法起飞。8.墙上挂着一幅画。

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1.全国各地都处于高温 . It is hot all over the country2. 美国应当对这次金融危机负责 . (finan

cial crisis) America should be responsible for the fi

nancial crisis.3. 这本字典很有用 . This dictionary is of great use/ help/value.4. 他既聪明又勤奋。 He is clever ,and hardworking as well.

(all over)

(responsible)

(of)

(as well)

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5. 昨天我让人修理了电脑。I had my computer repaired yesterday .6. 我的手表坏了。 Something's gone wrong with my watch. 7. 这架飞机无法起飞。 The plane fails to take off.8. 墙上挂着一幅画。 A picture hangs on the wall.

(have)

(go wrong)

(fail to)

(hang)

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