Paul Lucas can often be seen walking around the city of San Francisco. Sometimes people are {#blank#}1{#/blank#} (surprise) to see him walking without any shoes or socks,{#blank#}2{#/blank#} Lucas doesn't mind at all. He likes to walk barefoot, and {#blank#}3{#/blank#} do 640 other members of Dirty Sole Society, the club that Lucas {#blank#}4{#/blank#} (start) years ago. Lucas' idea for this is to encourage others to live {#blank#}5{#/blank#} (free)－free of shoes.

    According to Lucas, the barefoot life has many {#blank#}6{#/blank#} (advantage). The most important is simply that it feels good. He also says that walking barefoot allows you to experience the world directly by {#blank#}7{#/blank#} (touch) it with your feet. In addition, the feet do not smell so much {#blank#}8{#/blank#} they stay dry,{#blank#}9{#/blank#} (make) it hard for bacteria(细菌)  to grow. And, of course, walking barefoot keeps your feet in good shape, so it's actually {#blank#}10{#/blank#} (healthy) than wearing shoes.

    The Great Wall was listed as a World Heritage by UNESCO in 1987. Just like a dragon, it winds up and down across deserts, grasslands and mountains, {#blank#}1{#/blank#}(run) approximately21,196 kilometers from east to west.

    The {#blank#}2{#/blank#} (construct) of the Great Wall was not that easy, {#blank#}3{#/blank#} drew heavily on the local resources for building materials. The walls were {#blank#}4{#/blank#} (original) built in the Spring ＆Autumn Period and the Warring States Period. Emperor Qin Shi Huang succeeded in his effort to have them joined together. Since then, the Great Wall {#blank#}5{#/blank#}(serve) as a monument of the Chinese nation throughout history.

    With {#blank#}6{#/blank#} history of about 2,700 years, some parts of the Great Wall are now {#blank#}7{#/blank#}ruins or have disappeared. However, the Great Wall of China is still one of the most appealing{#blank#}8{#/blank#} (attraction) all around the world owing to its historical significance. The best-known part of the Great Wall of China, Badaling, {#blank#}9{#/blank#}(locate) 43 miles northwest of Beijing, attracts thousands of national and foreign tourists every day.

    Today, the Great Wall {#blank#}10{#/blank#} (recognize) as one of the most impressive architectural achievements in history.

    Do you have sleeping problems? If so, then these tips may help you fall asleep fast.

    Set aside the thought that you have to fall asleep. The more you think of it, the {#blank#}1{#/blank#} (hard) you will fall asleep.

    The foods you eat also play {#blank#}2{#/blank#} important part. Avoid eating or drinking things like chocolates, coffee, tea and energy drinks. If you have to, then have them in the morning and never in the afternoon, {#blank#}3{#/blank#} (especial) before going to bed. Don't eat too much at night. A full stomach will make it more difficult for you {#blank#}4{#/blank#} (fall) asleep because your body is working more time to digest the food you ate.

    Make a fixed time to go to bed. For example, by 9 o'clock in the evening you should already be {#blank#}5{#/blank#} bed. Do this even if you're not sleepy yet. Once {#blank#}6{#/blank#} (follow) this routine, you will gradually see that you will feel sleepy when it's 9 o'clock in the evening.

    Make your room {#blank#}7{#/blank#} (comfort) for sleeping. You should also take notes that the sleeping environment also {#blank#}8{#/blank#} (affect) your sleep. It must be in the room {#blank#}9{#/blank#} it's not noisy. Otherwise, you will find {#blank#}10{#/blank#} difficult to fall asleep again after waking up.

    The traditional Chinese Longtaitou Festival, also called Dragon Head Raising Festival, {#blank#}1{#/blank#} (fall) on the second day of the second lunar month every year, {#blank#}2{#/blank#} the rain-bringing Dragon King is said to awaken {#blank#}3{#/blank#} his winter sleep. It's {#blank#}4{#/blank#} (wide) believed that the second day of the second month on the Chinese lunar calendar means the start of spring and farming.

    The festival is a {#blank#}5{#/blank#} (reflect) of the ancient agrarian (耕作的)culture. Nowadays, although some of the old ways {#blank#}6{#/blank#} (celebrate) the festival are no longer in practice, some still keep on. Most of them are still identical to those practised in the ancient times, {#blank#}7{#/blank#} (include) eating Chinese pancakes and noodles. The most famous {#blank#}8{#/blank#} (tradition) practice on this day is to have a haircut. Some people believe that going to the barber's on the second day of the second month will get rid of bad luck, while {#blank#}9{#/blank#} believe it is bad luck to get hair cut during the first month of the lunar calendar. Folk {#blank#}10{#/blank#} (activity)like dragon dance are also held during the Longtaitou Festival across China.