A computer and its monitor weigh a total of 48 pounds．If the monitor weighs twice as much as the computer, how much does each piece of hardware weigh?

With one cut, how can you divide this cube so that a perfect triangular(三角形的)face is exposed?Don't forget, a regular triangle has all three sides of equal length．

Baker Bob is about to divide this cake into six pieces．He'll give four pieces to his cousins－and keep the two biggest bits for himself．How will he divide the cake with only two straight knife cuts?Draw the straight cuts with a pencil．

The prices of extra packs of clay(捏泥)are given in the table in the catalogue(价目)．

How much would 1.5 kg cost?

单词拼写

根据句意和单词的首字母，写出单词的正确形式．

Among various programmes, TV talk shows have covered every inch of space on daytime television．And anyone who watches them r________ knows that each one is different in style．

　　话题链接：Situated on British Columbia's coastline, Vancouver is a “Pacific Pearl”．Lying between the Coast Mountain range and the Pacific Ocean, Vancouver is one of the most scenic cities in the world．Vancouver's mild temperatures and bounty of rain are also owed to its location, making even the most urban of areas lush year round．Stanley Park, occupying 400 hectares(1000 acres)just north of downtown, is a flourishing example of how Vancouver balances nature with its urban identity．A quintessential west coast city, Vancouver appeals to millions of denizens and visitors who bask in all it offers, from its beaches to its bustling streets．Its cosmopolitan character is reflected in areas like the very urban Robson Street, Canada's Rodeo Drive, contrasted by trendy Granville Island with its mix of cobblestone streets, artisan studios and eclectic market．

　　温哥华位于加拿大西部太平洋岸，是加拿大的第三大城市、北美最大最繁忙的港口之一，旅游、交通、贸易、金融、林业和服务业等行业十分繁荣。温哥华城市依山傍海，秀丽的风景以及周边大量的自然景致每年吸引数百万旅游客。温哥华气候温和，四季宜人，多年来一直名列世界最适宜居住的城市前列，不断吸引世界各地的移民。

　　Nowadays more and more Chinese people like to travel abroad to see and learn more of the world．Vancouver, the third biggest city in Canada, is one of their destinations．

想一想：If you were the officer responsible for the tourism development of China, what will you do to attract more overseas visitors to China?

　　Canada consists of 10 provinces and three territories in five main regions：the Atlantic region, Central Canada, the Prairies, the West Coast and the North．The culture and population are different in each region．

　　The Atlantic region consists of the provinces of Nova Scotia, New Brunswick, Prince Edward Island, and Newfoundland and Labrador．Activities such as fishing, farming, forestry, tourism and mining are important to the Atlantic economy．Central Canada consists of the provinces of Ontario and QuebeC．This is the most populated region of the country．Together, Ontario and Quebec produce more than three-quarters of all Canadian manufactured goods．

　　The Prairies include the provinces of Manitoba, Saskatchewan and Alberta．Much of the land is flat and fertile, excellent for farming and rich in energy resources．In western Alberta, the Prairies end and the Rocky Mountains begin．The Canadian Rockies include some of the largest peaks in North America．

　　On the West Coast, the province of British Columbia is famous for its mountain ranges and forests．Natural resources such as lumber and fish are important to the economy．Fruit farming is also a major industry, as is tourism．

　　The North consists of Canada's three territories：Yukon, the Northwest Territories and Nunavut．Together, they make up over one third of Canada's land mass．Northern resources include oil, natural gas, gold, lead and zinc．

问题导入：What do you know about Canada?Make a wall newspaper to introduce Canada to your classmate on the blackboard in your classroom．You can do as the following：

1．Divide your members into three groups．

The first and second groups try to get more knowledge about Canada by surfing the internet or looking through some related books．Each group finishes half of the diagram．Make a competition and see which group does better or more quickly．

2．Then combine two parts to make a complete information diagram about Canada．

3．The third group put the information on the blackboard in an artistic way．

　　China would continue the Golden Week holidays the National Tourism Administration said in a response to an earlier proposal by a CPPCC member calling for the cancellation of the weeklong holidays．

　　Li Xiaosong, a member of the Beijing Municipal Committee of the CPPCC, submitted a proposal earlier this year amid increasing calls for the reform of the Golden Week holidays．

　　According to the proposal, the holidays were losing their charm for more and more Chinese people while reaping huge sums of money for the country's tourism industry, the best “harvest” since China introduced Golden Week holidays in 2000．The Golden Weeks put unprecedented pressure on the country's transport system and service industry．

　　The National Tourism Administration said advantages of retaining the weeklong holidays outweighed the disadvantages．The holidays provided people with time to relax and created opportunities for people to spend money．

　　The bureau said China had a swelling population and the holidays were not the root of traffic jams, crowded hotels and restaurants．

　　It said the country would improve the system to ease the problems．

　　China had been urged to enact a system with flexible paid holidays since the end of last year．

　　Some experts argued that the Golden Weeks did not ensure long term commercial prosperity, as a “consumption rush” during the holidays often resulted in a consumption slump afterward．

话题导入：What's your opinion on the proposal of canceling the “Golden Week” long holidays in China?

An economic analyst：It is the pressure caused by the 'Golden Week' since it was launched seven years ago that boosted the rapid development of such industries as transportation, civil aviation, catering and hotel．The seven-day holiday week has become a virtual opportunity for the development China's tourism market．

A government official：Although China has boasted an annual tourist sum of more than one hundred million, the goal for the Chinese government in setting up the “Golden Week” system is to make all the 1.3 billion people of the country to enjoy a holiday, including consumers in towns and rural areas．But now the holidays were losing their charm for more and more Chinese people because of the overcrowded groups of tourists and the inconvenience, so I think we should do something to change the present situation．

A average tourist：I am an office worker, and I only have time to go traveling with my wife and daughter during the long time holidays．In the last two years, I traveled to Zhangjiajie and Beijing with my families in the May holidays and the National holidays．Oh, they were terrible experiences, we wasted a lot of time waiting for buses, trains, and all the ticket prices went up．Worst of all, sometimes we had to squeeze our way in many places of interest．Anyway, I will never go out traveling during the so-called “Golden Week” holidays, and I hope it will be reformed．

Your view：________________________________

　　When train fares went up for the third time in one year, I decided to buy a motorcycle to ride to work．My idea was that, although I would have to pay for tax, insurance and gasoline, I would still spend less than on train tickets over the year．I might even save time on the journey from home to work．So I bought a small secondhand Japanese motorcycle．

　　I began to learn to ride it．At first it seemed very difficult for me because I had never learned to ride an ordinary bicycle before．But I soon got used to it．I just fell off once or twice during the first few weeks, but after a while I felt reasonably confident and rode to work every day, even when it was raining．

　　It is, of course, one of the disadvantages, riding a motorcycle in the rain．To keep dry you have to dress up in waterproof clothes, which soon get very dirty．And it's cold in winter too．But my journey to work takes me half an hour less than it used to take me on the train．Traffic jams don't worry me, and I don't have to wait on cold railway platforms for crowded trains．I don't know whether it's cheaper than public transport, though, for I soon got dissatisfied with my small motorcycle and bought a bigger, faster and more expensive one．

　　话题链接：Proper habits of nutrition can be developed by paying attention to the variety of foods included in the diet; and the quantity of each kind of food eaten．A diet, or the food regularly eaten, must contain all the nutritional(营养的)elements．Different food contains different vitamins(维生素)，let's look at the food one by one．

　　EGGS

　　Eggs are an excellent source of complete protein(蛋白质)；they contain all essential amino acids(氨基酸)．One large egg contains 7 or 8 grams of first-class protein．Also found in eggs are vitamins A, B2, D, and E; niacin(烟酸)；copper; iron; phosphorus(磷)；and unsaturated(不饱和的)fats．The egg yolk contains the richest known source of choline, found in lecithin and necessary for keeping the cholesterol (胆固醇)within the egg emulsified(蛋白)．The egg yolk also contains biotin(维生素H)，one of the B-complex vitamins．

　　FIBER

　　Fiber is the part of food that is not digested by the human body, such as the skin of an apple and the husk(壳，皮)of a wheat kernel．The normal functioning of the intestinal tract depends upon the presence of adequate fiber．A low-fiber diet has been associated with heart disease, cancer of the colon and rectum(直肠)，diverticulosis(瘢痕形成)，varicose veins(纹理)，phlebitis(静脉炎)，and obesity．

　　FISH

　　Fish are excellent sources of high-grade protein, polyunsaturated fatty acids, and minerals, especially iodine(碘)and potassium(钾)．Fish are categorized as freshwater fish, saltwater fish, and shellfish．These types differ slightly in nutritive value．Freshwater fish provide magnesium(镁)，phosphorus, iron, and copper．Saltwater fish and shellfish are rich in iodine, fluorine(氟)，and cobalt (钴)．Fatty fish, such as halibut(比目鱼)，mackerel(鲭鱼)，and salmon, are good sources of vitamins A and D．Herring, oysters, and sardines contain vanadium and zinc．Shellfish are low fatty acids but are relatively high in cholesterol．

　　FRUITS

　　Fresh fruits are good sources of vitamins and minerals, especially vitamin A and C, carbohydrates in the form of cellulose and natural sugars, and water．They are good substitutes of such high-carbohydrate(碳水化合物)foods as candy, cookies, and cakes, which contain few nutrients．Yellow fruits, such as apricots, cantaloupe(香瓜)，and persimmons(柿子)，are good sources of carotene(胡萝卜素)，which is converted to vitamin A．Aside from acerola cherries and rose hips, the best natural sources of vitamin C are the citrus fruits, such as oranges, grapefruit, lemons, and tangerines(橘)；other sources of vitamin C are cantaloupe, strawberries, and tomatoes．Apples and bananas contain valuable bulk fiber in the form of indigestible(不可吸收的)cellulose, which is needed for regular bowel movement．Bananas are high in magnesium(镁)and may be useful for treatment of diarrhea, colitis, ulcers, and certain cases of protein allergies．Bananas and pears are the highest in natural sugars．

　　GRAINS

　　Grains are often referred to as cereals ;they are the seeds of various grasses such as wheat, oats, rice, and barley．Often called the “staff of life”, they provide the bulk of the world's food supply．Common foods made from these grains are flours, breads, breakfast cereals, and macaroni．

…

想一想：Healthy eating is the essential thing for the physical and mental development for human being．But the eating habit of our Chinese people is not very reasonable or suitable．If you are responsible for the improvement of the Chinese healthy eating, what will you do to change the formed eating habit of Chinese people?