Jack London was is famous American writer. He was born on January 12, 1876, in America. His family was very poor, and Jack had to leave school to make money when he was twelve. He worked hard in many different jobs.

    Later Jack returned to school. He was strict with himself and worked hard at all kinds of subject, especially literature. In 1987 he went to Alaska in search of gold. Instead, he found ideas there for his books and stories. He returned home and started to write. His writings were very successful, and he became rich and famous in his twenties. But Jack London was not a happy man; he took his own life in 1916. Many American people gathered(聚集) to mourn(悼念) for him.

    You'll see a new doctor at a hospital near London if you go there. He is very clever, but he never s. He works 24 hours a day and ngets tired. He is one meter tall and has a face like a TV screen. He is Dr. Robot.

    Doctors often need to ask lots of questions when they look over their p. Some doctors are so bthat they can only spend a few minutes with each patient. So sometimes they make some mistakes in medical examinations. To patients, some mistakes can be very d.

    Dr. Robot can ask patient questions for an hour if it is necessary. With the help of Dr. Robot, a human doctor can have a lot of useful iwhen he meets his patients.

    My friend, Robert, 1in a butchers shop. He helps the butcher(屠夫) to do some heavy work. He puts meat on the shelf every day. People come into the shop and buy the meat. But today there isn't any meat on the shelf. The butcher asks Robert2some meat onto the shelf.

    Robert runs to get some pieces of meat. They are in another room and they are on the3shelf. Robert is tall, but he still can't reach(达到) the meat. Robert thinks for a minute. He has a good idea. He takes two boxes and puts one on the top of4. Then he stands on them. Now he can reach the pieces of meat5.

    The butcher is very glad to see the meat. And then, people are also happy to get some meat from the butcher's.