No one knows {#blank#}1{#/blank#}(exact) how the earth began, as it happened so long ago. However, according to a widely {#blank#}2{#/blank#}(accept) theory, the universe began {#blank#}3{#/blank#}a “Big Bang” that threw matter in all {#blank#}4{#/blank#}(direction). For several billion years after the “Big Bang”, the earth was still just a cloud of dust.{#blank#}5{#/blank#} it was to become was {#blank#}6{#/blank#}(certain) until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. The earth became so {#blank#}7{#/blank#}(violence) that it was not clear {#blank#}8{#/blank#}the shape would last or not. It exploded loudly with fire and rock. They were in time {#blank#}9{#/blank#}(produce) carbon dioxide, nitrogen, water vapour and other gases, which were to make the earth's atmosphere. What is even more important is that as the earth cooled down, water began to appear on {#blank#}10{#/blank#} surface.

    Youth is a kind of wealth. It will gradually disappear{#blank#}1{#/blank#}time going by. What can we do to fulfill our youth?

    For one thing, it is to realize our value, and our dreams {#blank#}2{#/blank#}matters a lot.{#blank#}3{#/blank#} our dreams are, we must try hard to achieve them. When we are young, we are full of energy, and we have many{#blank#}4{#/blank#}(opportunity). We have good conditions in our lives, good memories, good understanding and so on. We should make the most of them to learn more.

    For{#blank#}5{#/blank#}, we should do as many things as possible. Of course, they must {#blank#}6{#/blank#} (rich) our lives, which can make it possible for us to gain many different experiences that are worth{#blank#}7{#/blank#}(remember) when we are old.

    Then when we are really old, and when we cannot move any{#blank#}8{#/blank#}(much), we can be proud of something{#blank#}9{#/blank#}(achieve), for we have lived our life to {#blank#}10{#/blank#} fullest.

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线(\)划掉。

修改：在错的词下划一横线，并在其下面写出修改后的词。

注意：1．每处错误及其修改均仅限一词；

2．只允许修改10处，多者（从第11处起）不计分。

    Yesterday evening I went to the supermarket. When I was about to enter I see an old lady with deformed hands calling me. At the first, I got afraid but then I decided to go ahead and find out that she wanted. She asked me about some money. She said I hadn't eaten anything since that morning. I gave her some money and she happy went to a food stand and had her food. It made me realize we go shopping without think twice then forget all about it in a few day. However, there are people don't even have money to get a meal. I hope to spreading kindness to those in need in any way possible.

    The world's fifth reported brown-and-white giant panda has been found in Foping Nature Reserve.{#blank#}1{#/blank#}(spot)on Nov.1,the baby panda, less than two months old, was estimated to {#blank#}2{#/blank#}(appropriate)weigh 2 kilograms and believed to be the fifth giant panda of this rarely seen color ever found.{#blank#}3{#/blank#}(it)eyes haven't opened yet, but it can sense the people {#blank#}4{#/blank#} come near it to take a picture.

    Many {#blank#}5{#/blank#}(research)believe the brown-and-white pandas are a return to the form typical {#blank#}6{#/blank#} their ancestors. But some argue that those pandas are a variation(变异)of their usual group while a few others think that they are {#blank#}7{#/blank#} new subspecies of pandas {#blank#}8{#/blank#}(result)from the environmental changes of the mountains.

    The first three recorded brown-and-white pandas {#blank#}9{#/blank#}(find)in Foping Nature Reserve, in 1985,1990 and 1991 with the fourth found in 1992 in Shaanxi. China has more than 2,000 giant pandas. The giant panda {#blank#}10{#/blank#}(feed)mainly on green bamboo.

    China's first artificial intelligence (Al) textbook for high school students {#blank#}1{#/blank#}(bring) out last week, following a plan by central government {#blank#}2{#/blank#}(include) Al courses in primary and secondary school.

    The nine - chapter textbook, {#blank#}3{#/blank#}(name) " Fundamentals of Artificial Intelligence" , was written by outstanding {#blank#}4{#/blank#}(scholar) from well - known schools nationwide, under the joint efforts by the research center for MOOC at East China Normal University and Al startup SenseTime. It includes the history of Al and how the technology can be applied in areas such as facial recognition, auto driving and public security.

    "The textbook focuses not only on basics of Al, but on {#blank#}5{#/blank#}(practice) use of Al in daily life," said Chen Yukun, a professor at East China Normal University, {#blank#}6{#/blank#} is also a contributor to the book.

    Up till now, about 40 high schools across the country {#blank#}7{#/blank#}(undertake) the task of being the first group of Al high education pilot program {#blank#}8{#/blank#} introducing the textbook in the curriculum. "The Al sector is facing a talent shortage {#blank#}9{#/blank#}(global). The publication of the book is {#blank#}10{#/blank#}breakthrough as it takes Al technology out of the 'Ivory tower' and makes it part of high school learning," said Lin Dahua, a professor at the Chinese University of Hong Kong.