Nowadays, the life of many people in the world is{#blank#}1{#/blank#}(affect) by globle warming. For example, greenhouse gas has a bad effect{#blank#}2{#/blank#}both people and environment. The earth's surface temperature{#blank#}3{#/blank#}(go) up by about 1 degrees centigrade in the past100 years. As a matter of fact, we may feel that we can hardly put up with the extremely hot summer and we can't get accustomed to warm winter. The rise of the earth's surface temperature has made much {#blank#}4{#/blank#}(different) to human health, the existence of creatures {#blank#}5{#/blank#} the balance of ecosystems. There is no doubt that it is human activities that result{#blank#}6{#/blank#}the bad environment. As a {#blank#}7{#/blank#}(consequent), conditions permitting, all countries in the world should try their best {#blank#}8{#/blank#}(improve) our environment. Even if our effect is limited, it will{#blank#}9{#/blank#}(eventual) make a great difference if we keep on{#blank#}10{#/blank#}(work) together to deal with global warming. Without all people's joint efforts, what would our future be like?

    Golden Gate Park is in San Francisco, California. It is one of the largest urban {#blank#}1{#/blank#}(park) in the United States. Over one million colorful flowers, trees and other plants grow in the park. But originally most of the park{#blank#}2{#/blank#}(cover) in sand. After a lot of work, it was finally built in 1870. Today, there are many people{#blank#}3{#/blank#}(visit) the park every day. They play basketball, soccer, golf and many other sports there. The park is closed in many places to traffic so people can walk, cycle, or skate{#blank#}4{#/blank#}(free).

    Hotel guests in China might no {#blank#}1{#/blank#}(long) have to worry about waiting in line to check in. At the Alibaba's futuristic hotels, guests can scan their IDs, take a photo and input personal details using a machine to check {#blank#}2{#/blank#}(they) in. The smart equipment will then provide a room key card after the information {#blank#}3{#/blank#}(check). The process will take less than a minute, according to company. Targeting only Chinese customers for now, the new service will be {#blank#}4{#/blank#}(gradual) expanded globally. The rapid growth of mobile usage and mobile payment adoption can show {#blank#}5{#/blank#} convenient people's life, is becoming in China.

    Alibaba isn't the only company {#blank#}6{#/blank#} introduces high-tech hotels. Smart LYZ, a Shenzhen-based company which focused {#blank#}7{#/blank#} developing AI technology and smart hotels, opened the first ever fully automated (自动化) hotel in Chengdu, Sichuan, back in January. {#blank#}8{#/blank#}(travel) can book a room through Smart LYZ's WeChat website, check in through a facial recognition machine, unlock the door with a {#blank#}9{#/blank#}(give) passcode or through its mobile app and finally, check out by pressing a button on the app. The AI Smart Room will undoubtedly be extremely attractive for guests, {#blank#}10{#/blank#}(create) the way for a new level of modernization and consumers' satisfaction.

    John Snow was a famous doctor in London, who was so expert that he attended Queen Victoria as her {#blank#}1{#/blank#}(person) physician. But he was famous for {#blank#}2{#/blank#}(defeat) "King Cholera".

    Cholera was a deadly disease and neither its cause {#blank#}3{#/blank#}its cure was understood. John wanted to face the challenge and solve the problem. He suspected that people absorbed this disease into their bodies with their meals so when another severe outbreak {#blank#}4{#/blank#}(hit) London, he began his enquiry. By gathering information and making {#blank#}5{#/blank#}(far) investigations, he found that many victims linked to the outbreak were near the water pump, so he got the handle {#blank#}6{#/blank#}(remove). Soon afterwards the disease slowed down. He drew the conclusion {#blank#}7{#/blank#}the polluted water was {#blank#}8{#/blank#}(blame).

    The water {#blank#}9{#/blank#}(company) were instructed not to expose people {#blank#}10{#/blank#}polluted water any more. Finally "King Cholera" was defeated.