Born in England in 1944, Ian Wilmut{#blank#}1{#/blank#}(know) as the leader of the research group than first cloned a female lamb {#blank#}2{#/blank#} (call) Dolly in 1996. Dolly became famous and pictures of her appeared on the {#blank#}3{#/blank#} (cover) of magazines all over the world. The {#blank#}4{#/blank#} (possible) of reproduction without a male and female being involved also made her the focus of a moral debate. For scientists, however, the cloning of dolly using the DNA of an adult cell was a breakthrough {#blank#}5{#/blank#}showed the cloning of special animals was possible.

    However,{#blank#}6{#/blank#}Wilmut think unlikely is human cloning. He says {#blank#}7{#/blank#} (undertake) the procedure with humans would require 29 surrogate（替代的）mothers and 300 eggs. Of those 29, 28 would be bound {#blank#}8{#/blank#}(experience) failure and suffer physically and emotionally. He says he is also concerned about the psychological and {#blank#}9{#/blank#}(society) consequences a cloned might have to go through. For these reasons, he is not{#blank#}10{#/blank#} favor of it.

    China is a big old country，{#blank#}1{#/blank#} has a history of more than five thousand years. We are proud of {#blank#}2{#/blank#}(it) culture and part of the culture even influences the world {#blank#}3{#/blank#} (great), for example, the thought of Confucius(孔子). As Chinese economy develops very fast and plays {#blank#}4{#/blank#} important role in the world, more and more {#blank#}5{#/blank#} (foreign) learn Mandarin (普通话) in Confucius institutions. The Chinese traditional culture can be tested by the time. It unites the whole nation and no matter {#blank#}6{#/blank#} kind of disaster comes, we will fight together for the country's future. Today, many young people lose faith in traditional culture and they are crazy {#blank#}7{#/blank#} the western culture. They follow the western fashion, {#blank#}8{#/blank#} (think) we are the old style. But some day, they {#blank#}9{#/blank#}(realize) they are wrong {#blank#}10{#/blank#}(ignore) traditional culture.

    Babies are great and lots of fun. We all love babies and we need babies, too. Many countries don't have enough of them. That's a big problem.

    Most babies grow up to become workers. As the number of workers {#blank#}1{#/blank#} (grow), a country can produce more things. That often means people's lives become easier and more {#blank#}2{#/blank#} (comfort). But without enough babies, a country {#blank#}3{#/blank#} (gradual) gets old. Many countries provide services {#blank#}4{#/blank#} their people like health care. These services {#blank#}5{#/blank#} (pay) for by young working people. But they are mostly used by old people {#blank#}6{#/blank#} aren't working any more. Without enough young people, countries can't afford these things.

    Countries are dealing with {#blank#}7{#/blank#} problems in different ways. Many countries are encouraging people {#blank#}8{#/blank#} (have) more babies. Since raising children is expensive, some countries give families extra money. Some other countries change rules {#blank#}9{#/blank#} it is easier for mothers to study and work. Others are welcoming immigrants (移民) from other{#blank#}10{#/blank#} (place). How do you think this problem should be solved?

    Maryland's Cecil County is home to many interesting parks. However, {#blank#}1{#/blank#}is more mysterious and disturbing than the Perryville Community Park {#blank#}2{#/blank#}around 100 trees are marked by strange messages left by the mentally disordered patients in a hospital decades ago.

    Before becoming a public park, the land {#blank#}3{#/blank#} (own) by the nearby hospital, and some of its former patients carved their disturbed thoughts into the trees. Over time, the words together {#blank#}4{#/blank#}the drawings carved into the tree bark have grown larger, {#blank#}5{#/blank#}(draw) the attention of curious passers-by. {#blank#}6{#/blank#}(interesting), even though the mark trees of Perryville Community Park have become quite popular among {#blank#}7{#/blank#}(tour), and even gotten their own Wikipedia entry, few residents of the Maryland town know about them and their history.

    Of all the phrases carved into the trees, the {#blank#}8{#/blank#}(strange) ones are "Christ said to police there was no Second World War," and "October 18, 1960 The City of Baltimore has not believed yet — Saint Callender — police. "

    The years carved into the trees date back to 1911, but the most {#blank#}9{#/blank#}.(mention) year is 1958, along with the name "Nelson Jonchou", which many believe belonged to one of the soldiers who {#blank#}10{#/blank#}(be) once admitted to the hospital.