The verb“ chat” means to talk (to someone)in a friendly, informal(非正式的)way. Today there are many {#blank#}1{#/blank#} on the Internet where you can chat. You can chat with people all over the world, in many languages and about many subjects or topics. These places are {#blank#}2{#/blank#} called “chatroom”. Sometimes you need to register( 注册)to enter a chatroom. This means that you need to provide a username(用户名)and possibly your e-mail {#blank#}3{#/blank#}.Your username doesn't have to be your {#blank#}4{#/blank#} name. It can be any name you want. When you have your username, other people in the chatroom will call you by that name and {#blank#}5{#/blank#} else can use it. Chatting is a good way to {#blank#}6{#/blank#} your informal English. Messages in a chatroom are usually short sentences. Sometimes {#blank#}7{#/blank#} are not even sentences, {#blank#}8{#/blank#} just a few words that are not really grammatically(语法的)correct. It's a typical way in which we {#blank#}9{#/blank#} in a quick conversation with friends. To save time, people often use abbreviations like IDK(I don't know).So don't go to a chatroom to practice “perfect” English. Go to a chatroom to practice informal English and find {#blank#}10{#/blank#}. You can even use a chatroom to help improve your typing skills if you want.

    The most difficult thing for university student Shaun Rogers is opening the classroom door by {#blank#}1{#/blank#} . Shaun can't do this without help because he is only six years old. He's the {#blank#}2{#/blank#}person ever to study at Rochester University in New York. Shaun began {#blank#}3{#/blank#} at two and by the age of five he had read many books and was able to finish writing his first book. "I love learning", says Shaun." My hero is the scientist Albert Einstein. He never combed (梳理) his hair or {#blank#}4{#/blank#} socks."

    Shaun's mother first recognize that her son was different when he kept crying at playschool because he was bored with the {#blank#}5{#/blank#} games. She started teaching him at home after finding that local schools {#blank#}6{#/blank#} not prepared for children who learned at Shaun's speed. Now Shaun is studying geography at the university and using the Internet to finish his high school studies. However, some scientists {#blank#}7{#/blank#} that too much study can stop a child from developing {#blank#}8{#/blank#} . "I don't care how clever the kid is. A six-year-old boy has to play with their friends," says Dr. Brain Wood. Mrs. Rogers disagreed that all her son's time was {#blank#}9{#/blank#} up by schoolwork. "He loves playing the violin and has many{#blank#}10{#/blank#} such as camping, fishing and swimming, just like other boys of his age."

—Yes,{#blank#}2{#/blank#}is Mary.

    One of my best friends, Bob, has a very large police dog named Jack. Every Sunday afternoon, Bob and Jack have a walk in the park nearby. Jack likes these walks very much.

    One Sunday afternoon, I paid a visit to my friend. I stayed there fora{#blank#}1{#/blank#} time and my friend and I had a longer talk with each other than ever before. Soon it was time for them to take a walk in the park. We {#blank#}2{#/blank#} that, so Jack became worried about it. He walked around the room several times and then sat down in front of me and looked at me.

    But I still paid {#blank#}3{#/blank#} attention(注意) to him. I went on talking with my friend. {#blank#}4{#/blank#} Jack could not wait any longer. He went out of the room and came back a few minutes later. He sat down in front of me again. But this time, he held my hat in his {#blank#}5{#/blank#} . Soon I understood what Jack meant and so did my friend.