Many people who work in London prefer to live outside it, and to go in to their offices or schools every day by train, car or bus, even though this means they have to get up early in the morning and reach home late in the evening.

    One advantage of living outside London is that houses are cheaper. Even a small flat in London without a garden costs quite a lot to rent (租住). With the same money, one can get a little house in the country with a garden of one's own.

    Then, in the country one can rest from the noise and hurry of the town. Even though one has to get up earlier and spend more time in trains or buses, one can sleep better at night and during weekends and on summer evenings, one can enjoy the fresh, clean air of the country. If one likes gardens, one can spend one's free time digging, planting, watering and doing the hundred and one other jobs which are needed in a garden. Then, when the flowers and vegetables come up, one has the reward of sharing the secret of Nature.

    Some people, however, take no interest in country things：for them, happiness lies in the town, with its cinemas and theatres, beautiful shops and busy streets, dance halls and restaurants. Such people would feel that their life was not worth living if they had to live it outside London. An occasional walk in one of the parks and a fortnight's (two weeks) visit to the sea every summer is all the country they want: the rest they are quite prepared to leave to those who are glad to get away from London every night.

    Protection Publications

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    There are many reasons why people can't get a good night's sleep and as with any other health conditions, things are not likely to improve until you find a way to break the cycle.

    These are some of the main factors that need to be addressed.

    Worry and stress

    We have all been kept awake by many factors that cause worry and stress in our lives. Money problems, relationship issues and work stresses can have you sitting up all night. A useful habit is to download your thoughts at the end of the day. Keep a pen and paper next to your bed and before you go to sleep, write down your thought and worries, create a to-do list for the following day or set down solutions and ideas that relate to work.

    Diet and eating patterns

    What and when you eat can have a major impact on your ability to sleep. Eating too late or indulging in a rich or spicy meal can keep you awake. These foods take a long while to digest and the after effects of indigestion and heartburn are not going to set you up well for a good quality sleep.

    A research suggests that both calcium and magnesium may be linked to poor sleep. Even low intakes of magnesium found in green vegetables, beans, nuts and seeds have been shown to make it harder to stay asleep. Calcium is found in dairy foods, soybeans and green vegetables and low levels have also been shown to make it more difficult to nod off.

    Alcohol and caffeine

    Tea, coffee and energy drinks contain caffeine that helps to stimulate the nervous system and make you more alert, which is great if you need a pick-me-up. Dosing up on caffeine during the day can affect your ability to sleep later on in the evening. Try limiting your intake of caffeine to the morning and switch to decaffeinated options such as herbal teas. Alcohol is a double-edged sword when it comes to sleep. While a little may help to induce slumber, even in small amounts it can cause fragmented sleep patterns.

    Bedroom environment

    “Your bedroom should be dark once the lights are switched off because melatonin, a sleep-regulating hormone, is very light-sensitive. Maintaining the right temperature can also help with sleep as a room that is too hot may prevent your core temperature from going down, which is essential for switching on the sleep mechanism within the body.

    The softshell turtle species is officially listed as endangered by the IUCN Red List. Scientists long thought softshell turtles were extinct in the Cambodian part of the Mekong River until they discovered some stragglers (掉队者) in the early 2000s.

    The species had quite a wide historical range across Asia, but much of that range is now completely gone. Much of the turtle's habitat in Southeast Asia have disappeared due to urban and industrial development along the Mekong River. The sand where turtles multiply is routinely carried away for use in construction projects, while fishing nets lift up hatchlings. People also take turtles and their eggs to sell for food.

    Initial surveys in 2003 and in 2007 found two small populations of the softshell turtles along a 30-mile stretch (水域) of the Mekong River. Since then, conservation groups have worked with local communities and officials to increase the wild population of these endangered turtles, including a program to hire former egg collectors to help search for and protect nests instead of harvesting the eggs.

    For the last decade, WCS, Conservation International, the Turtle Survival Alliance and local groups have worked to protect turtle nests. Their goal is to ensure eggs will multiply and hatch, and that baby turtles grow strong enough to eventually take care of themselves in the wild.

    A team recently released 150 hatchlings back into their natural habitat, bringing the total to more than 7,700 baby turtles in the past 10 years.

    It's a little hard to figure out the rules for sure,  but the baby African buffalo( 水牛) seems to have the upper hand. The two stand a couple feet apart, staring at each other. Behind them, their mothers look on with the kind of indifference(不关心) of mothers  everywhere who see their kids playing a harmless game.

    The alarm went off about half an hour ago, the second time tonight. Here, one bell means “elephant”, two, “rhino” (犀牛), and three and four, 1 really can't remember for what, because when you're awoken by bells in the middle of the night, your first thought won't be “Animal! ”.But as soon as I realized it was the rhino alarm.

    I was running for the stairs. Yet I'm the only one watching the animals stare-down. Either everyone else died of a heart attack when the bells went off, or l was the only one in the entire hotel who didn't turn the alarm switch to off before going to bed.

    The Ark, a hotel shaped like the biblical ark(圣经的方舟) , lies in the highlands of Kenya's Aberdare National Park, about 100 kilometers north of Nairobi. At the Ark's prow(船首) are huge windows overlooking a waterhole. Earlier tonight, I'd watched a pack of wolves, buffalos and elephants. And now, at three or so in the morning, I'm down for rhino bells. The first time, 2.5 hours ago, it was a single black rhino, which came down, got a drink, and left. I'd have been sorry for the lost sleep.  I've already arranged with a guide to take me out at sunrise for the so-called “should never miss” bird-watching, where we'll get to see 30 species, but really, how many times in your life will you get to wake up and say, “Wow! Rhino!”? Isn't that the definition of a pretty good night? Last week we went from Uganda into Kenya.  Before I left home, 1 thought I'd be happy with ten elephants and five or six giraffes on the whole trip. I didn't dare to dream the rhino.

21 June was Li Lan ' s first day back in San Francisco after camping in the Redwood Forest and visiting Napa Valley. She {#blank#}1{#/blank#}(admit) that it definitely felt good to come back to the city again. The fact that the city rebuilt itself after the earthquake that {#blank#}2{#/blank#}( occur ) in 1906 is amazing . Located on top of big hills, many beautiful old buildings offer great {#blank#}3{#/blank#}( view ) of the city , the ocean, and the Golden Gate Bridge.

{#blank#}4{#/blank#}( walk ) around and looked at the street art for a few hours, then Li Lan ate some delicious Mexican-Chinese noodles for lunch. In the afternoon, Li Lan headed to a local museum, where Li learnt a lot about the history of California. In 1848, gold {#blank#}5{#/blank#}( discover ) near the city, {#blank#}6{#/blank#}made over 300,000 people from all over the world rush here to seek{#blank#}7{#/blank#}     ( they ) fortune. In fact, few achieved their dreams of becoming rich. Some died or returned home, but most remained to earn {#blank#}8{#/blank#}living despite great hardship. It was immigrants from different cultures that built up California very{#blank#}9{#/blank#} ( rapid ) and led to its becoming a state of the United States in 1850. In the evening, Li went to Chinatown, where there were many caf é s and restaurants to choose {#blank#}10{#/blank#}. After selecting a restaurant, she enjoyed Chinese food on china plates.