Ever since humans lived on the earth,they have made use{#blank#}1{#/blank#}various forms of communication.In general,the major form of expressing thoughts and feelings{#blank#}2{#/blank#}(be) spoken language.{#blank#}3{#/blank#}there is a language barrier, communication is completed through body language.Smile is the most universal{#blank#}4{#/blank#}(face) expression,which shows happiness and puts people a ease.But sometimes,it is likely to hide other feelings,like{#blank#}5{#/blank#}(angry) and worry.There {#blank#}6{#/blank#}(be) different ways to greet someone in different countries.People from Columbia like approaching others and kiss them on{#blank#}7{#/blank#}cheek.In France,if adults meet people they know,they can kiss each other twice on each cheek. Being polite to others is{#blank#}8{#/blank#}(object),but we'd better not give a hug to a person with higher rank.Body language is {#blank#}9{#/blank#}(real) complex, so we should study international customs{#blank#}10{#/blank#}(avoid) difficulties in today's world of cultural crossroads.

    We use flowers as messengers to say something we might have trouble {#blank#}1{#/blank#} (say) directly ourselves. Over time flowers have come to symbolize the most {#blank#}2{#/blank#} (power) human experiences: beauty, love, hope, and rebirth. Sweet flowers alone can say what one {#blank#}3{#/blank#} (fear) expressing. We've listed some of the most famous flowers that have an important meaning. In Mao Zedong's poem Ode to Plum Blossom《咏梅》, the plum blossom was used {#blank#}4{#/blank#} (praise) soldiers who sacrificed their lives for Chinese people. {#blank#}5{#/blank#} great Chinese poet Li Bai from the Tang Dynasty once compared Yang Yuhuan's beautiful face {#blank#}6{#/blank#} blooming peonies (牡丹). Flowering in May, peonies' large petals and strong colors are linked to prosperity (成功) and richness. The orchid (兰花) is well known because {#blank#}7{#/blank#} (it) delicate smell attracts lots of people. Beautiful articles and poems {#blank#}8{#/blank#} (call) “lanzhang” by Chinese people in traditional Chinese culture. Roses, of course, have the most colorful meaning among all the flowers. Red roses mean “I love you.” A red rose, rather than yellow roses, acts as the traditional romantic gift{#blank#}9{#/blank#} (give) to your love on Valentine's Day. Sending yellow roses can be risky, as they represent either friendship {#blank#}10{#/blank#} envy.

    The year 2018 marks the 40^th anniversary of China's reform and opening-up. The past four decades has seen China shift its society from a farmers' community to a digital culture {#blank#}1{#/blank#} (successful). Under the leadership of CPC, many {#blank#}2{#/blank#} (achievement) can be seen in every field. The life of the Chinese people has improved, with millions of people being lifted out of poverty. The country now has the world's {#blank#}3{#/blank#} (large) high-speed rail network. And with around 800 million Internet users, China has become the world's fastest-growing online shopping market.