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Mr. Wang is my English teacher but I really love his lessons. He loves English so he teaches with great energy.Mr. Wang prepares his lessons very well and use things like PPT and videos to making the subject come alive. Mr. Wang is very strict at us; he works very hard and he requests us do the same. We respect Mr. Wang and do not mind him being strict because we knew he is only trying to help us learn well and speak English fluent. Mr. Wang is my favorite teachers because of his love of English makes me love it too. I know I will always have an interest on English.

 

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English, as we all know, is considered as the universal language. It is spoken all over the world. However, you will also notice that people all over the world are using different types of English. Let¡¯s take a closer look at these two popular types: UK and US English. Even if both types of English are wildly used, there are some differences that will be worth knowing to find out the type of English that you are using.

US English is what we know as the American English which is wildly used in the United States. UK English, on the other hand, is known as the British English. Some also call it the BBC English since it is the English used by British reporters, and another name for it is the Queen¡¯s English.

In terms of vocabulary, some words in US English may mean something different in the UK English. For example, the word biscuit for the British means baked sweet or salty cake that is hard when baked and softened over time; while in the US it is a quick bread served with salty foods.

With regards to pronunciation, American English is more nasal (±ÇÒôµÄ). Stress (ÖØÒô) is also another difference to consider. Just like in the word princess, British stress the second syllable (Òô½Ú) while Americans stress the first.

Spelling is another area of difference. American English spelling is more simple. Example of which includes, color for the US and colour for the UK, same goes with honor and honour. The doubling of letters in words is another good example. It will be traveler in the US and traveller in the UK. The use of ¡°-og¡± instead of ¡°-ogue¡± in word such as dialog and dialogue or catalog and catalogue.

1.What can be the best title for the passage?

A.Similarity between US English and UK English

B.Difference between US English and UK English

C.The future of US English and UK English

D.The history of US and UK English

2.What does the underlined word ¡°it¡± refer to according to Paragraph 2?

A The British English.

B The American English.

C The BBC.

D The Queen of UK.

3.he word biscuit in UK English refers to the cake which may be finally.

A.sweet and hard

B.salty and sweet

C.hard and salty

D.salty and soft

4.Which of the following may belong to UK English?

A. Color. B. Traveler.

C. Dialog. D. Catalogue.

 

Everyone has those nights-you lie in your bed for hours, tossing and turning, totally unable to fall asleep. You wish you could just turn your brain off as if it were a light. That would make things much easier, wouldn¡¯t it?

Now it looks like you are one step closer to this wild dream of yours-scientists from Oxford University, UK have just discovered the ¡°switch¡± that tells the brain to go to sleep, reported Forbes.

To understand the study, you first need to know that there are two mechanisms(»úÄÜ) that regulate sleep. There¡¯s one that we¡¯re already familiar with ¡ªour body clock, which works in a 24-hour cycle based on the light changes throughout the day.

The other one is what scientists call the sleep ¡°homeostat(¶¯Ì¬Æ½ºâϵͳ)¡±. This mechanism has nothing to do with daylight. Instead, it keeps track of the brain¡¯s waking hours and urges it to rest if it has been awake for a long time. ¡°It is similar to the thermostat(×Ô¶¯µ÷ÎÂÆ÷) in your home. A thermostat measures temperature and switches on the heating if it¡¯s too cold,¡± Professor Gero Miesenbock, who led the study, told The Telegraph.

Our bodies use both of the mechanisms to regulate sleep. ¡°The body clock says it¡¯s the right time, and the sleep thermostat has built up pressure during a long waking day,¡± explained Miesenbock.

There is no way that scientists can trick the body clock. But with the sleep homeostat, there might be something they can do.

The researchers found that the sleep homeostat works by activating a specific group of nerve cells, or neurons, in the brain. They tested their theory on fruit flies by removing the neurons from the insects¡¯ brains. And as expected, they found that the flies without the homeostat neurons did not keep a regular sleep pattern anymore.

Now that scientists have pinpointed the exact place in the brain¡ª or, the ¡°switch¡±¡ªthat regulates sleep, they can begin investigating how to activate these cells at any given time so that people can be sent to sleep instantly.

More importantly, figuring out how sleep mechanisms work may also help us to one day unravel one of the oldest mysteries of all: why do we need to sleep in the first place?

1.What is the article mainly about?

A. A new way to treat sleep disorders.

B. The discovery of the sleep ¡°homeostat¡±

C. Advice on what to do when you fail to fall asleep.

D. A comparison of the two mechanisms that regulate sleep.

2.How does the author explain the function of the sleep homeostat?

A. Through examples.

B. With comparisons.

C. Through cause and effect analysis.

D. By presenting research findings.

3.What can we conclude from the article?

A. Generally, the sleep homeostat has less effect on people during the day than at night.

B. There is little scientists can do to affect the way the sleep homeostat works.

C. What makes us go to sleep at night is probably a combination of the two mechanisms.

D. The more homeostat neurons there are in one¡¯s brain, the more easily one can fall asleep.

4.The underlined word ¡°unravel¡± in the last paragraph is closest in meaning to .

A. put up with B. figure out

C. keep track of D. take notice of

 

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