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Dear all£¬
I am a student from China£®My name is Jack£®I am very happy today to have the chance to introduce my hometown Baotou!
                                                                                           
Welcome to Baotou!Welcome to my home!
Thanks!

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¸ß·Ö¾äÐÍÒ»£ºBaotou is a beautiful and modern city which is famous for deer and it's also called the city of deer°üÍ·ÊÇÒ»×ùÃÀÀö¶øÏÖ´úµÄ³ÇÊУ¬ÒÔ¹¶øÎÅÃû£¬ËüÒ²±»³ÆÎªÂ¹Ö®³Ç£®ÕâÊÇÒ»¸öÓÉwhichÒýµ¼µÄ¶¨Óï´Ó¾ä£¬ÏÈÐдÊÊÇcity£¬be famous forÒò¡­¶ø³öÃû£¬ºóÃæÊÇÒ»¸öÒ»°ãÏÖÔÚʱµÄ±»¶¯Óï̬£®
¸ß·Ö¾äÐͶþ£ºBesides£¬there are also many wide streets with beautiful scenery on both sides£®´ËÍ⣬»¹ÓÐÐí¶à¿íÀ«µÄ½ÖµÀ£¬Á½±ß¶¼ÓÐÃÀÀöµÄ·ç¾°£®ÕâÊÇÒ»¸öthere be¾äÐÍ£¬±íʾ"ÓÐ"£¬with±í°éËæ×´Ì¬£®

½â´ð Dear all£¬
I am a student from China£®I am very happy today to have the chance to introduce my hometown Baotou!
Baotou is a beautiful and modern city which is famous for deer and it's also called the city of deer£¨¸ß·Ö¾äÐÍÒ»£º¿ªÃżûɽ˵Ã÷°üÍ·ÊÐÊÇÒ»¸öÃÀÀö¶øÏÖ´úµÄ³ÇÊУ©£®The living environment in my hometown is very comfortable and you can see green trees£¬squares and tall buildings everywhere£¬so people here all live a happy life£®Besides£¬there are also many wide streets with beautiful scenery on both sides£®£¨¸ß·Ö¾äÐͶþ£º¾ßÌå½éÉܰüÍ·ÊеĻ·¾³¼°½ÖµÀÇé¿ö£©
What's more£¬it's very cool in summer£¬so Baotou is a good place to stay away from the hot summer£®£¨½éÉÜÆøºòÌØµã£©The most important is that we have much delicious food£®£¨½éÉÜÃÀʳ£©
As you know£¬instant-boiled mutton is one of the most famous food£¬so you can't miss it!£¨×÷³ö½áÂÛ£©
Welcome to Baotou!Welcome to my home!
Thanks!

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5£®How do you remember the way to your house£¿Where do dreams come from£¿It is your brain£¨´óÄÔ£©that does these things£®A British scientist showed that"sleep can improve one's memory"£®It's not a dream for students to study when they sleep£®In fact£¬your brain is working day and night£®If you learn words before bed£¬a certain part of the brain my help you to remember the word while you sleep£®What's more£¬another scientist in the USA found that there was a"talent button£¨Ìì²Å°´Å¥"in the human brain£®It might make a person more talented£®
There are more interesting things about the brain£®Your brain uses less energy than a fridge light£®Just two bananas can give the brain enough energy to work for a whole day£®Acceding to some scientists£¬yawning£¨´ò¹þÇ·£©keeps our brains"cool"£¬which makes us think quicker£®
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51 A British scientist found out thatCcould improve our memories£®
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A£®use our brains more                
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53£®Which of the following is TRUE according to the passage£¿D
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1£®In Chicago£¬a computerized system has been developed that controls£¨¹ÜÀí£©traffic on the city's 235miles of seven expressways£®Now one-a controller-can follow the movement of Chicago's traffic by looking at a set of lights£®The system uses electric sensors£¨¸ÐÓ¦Æ÷£© that are built into each expressway£¬every half a mile£®Several times a second£¬the computer receives information from each sensor and translates it into green£¬yellow or red lights on a map in the control room£®A green light means traffic is moving forty-five miles an hour£¬yellow means thirty to forty-five miles an hour£¬and red means heavy traffic-cars standing still or moving less than thirty miles an hour£®
"See that red light near Austin Avenue£¿"the controller asked a visitor£®"That's a repair truck fixing the road£¬and the traffic has to go around it£®"At the Roosevelt Road entrance to the expressway£¬the light kept changing from green to red and back to green again£®"A lot of trucks get on the expressway there£¬"the controller explained£®"They can't speed up as fast as cars£®"The sensors show immediately where an accident or a stopped car is blocking the traffic£¬and a truck is sent by radio to clear the road£®The system has lowered the number of accidents by 18percent£®There are now 1.4deaths on Chicago's expressway for each one hundred million miles traveled£¬while in other parts of the county there are 2.6£®
Traffic experts say that the Chicago system is the"coming thing"£®Systems like Chicago's are already in use on some expressways in Los Angeles and Houston£®"Chicago has taken the lead£¬"said New York City's traffic director and he added£¬"Chicago's a good example£®"

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A£®the traffic control system                  B£®the movement of the traffic
C£®the electric sensors                       D£®the traffic lights
67£®When the cars move under 30miles an hour£¬A on the map in the control room£®
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C£®the yellow light appears                   D£®the green light turns red
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A£®some visitors are traveling on the expressway
B£®there is no heavy traffic on Chicago's expressways
C£®the traffic on Chicago's expressways is well managed
D£®the number of accidents in the US has dropped by 18%
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A£®giving reasons and results           B£®giving examples and explaining them
C£®describing what he thinks           D£®asking and answering questions£®

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8£®Our life becomes better and better£®So many people have £¨61£©beautiful£¨beauty£© houses with large gardens and swimming pools£¬and some people have a lot of money and more than£¨62£©onecar£®£¨63£©However£¬you don't need to care about £¨ÔÚºõ£© these people£®Why£¿Because people who have big houses may often feel £¨64£©lonely£¨alone£© and people who have cars may want £¨65£©to walk  on the country roads in their free time£®
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