The bicycle is one of the ___  (1)  ____ yet most useful inventions in the world. The surprising thing is that it was not ____(  (2)  ____ earlier, although the great inventor Leonardo da Vinci(利奥纳多·达·芬奇)had drawn pictures for bicycles and also for flying machines and some other things. Those things were not produced ___  (3)  ____ long after he died.

   A person riding a bicycle uses very little energy(能源)to make the bicycle move, and there is no pollution at all when you are riding ,Even so, in developed ____  (4)  ____, most people don't travel to work by bicycle. It is not because the bicycles are expensive or people feel ____  (5)  _____ if they ride to work. It's because ___  (6)  ____ cars on the roads becomes larger. It certainly becomes ___  (7)  ____ to ride a bicycle. As a result, more people put their bicycles away and go to work in their cars and, in this way, the situation(情形) is made worse.  ____  (8)  ____ the best way to make riding safer and more popular is to build road only for bicycles, and to make ____  (9)  ____ so difficult and expensive ____  (10)  ____ drivers to take their cars into the city that they will go back to using their bicycles.

Once there was a little girl living in a small, poor house on a hill. As she grows up, she began to play in her small   (1)  , she was able to see over the garden and across the valley a wonderful house high on the hill -and that house had  (2)  windows.

Although she loved her family, she   (3)   about how wonderful and exciting it must be to live in that golden house all day.

Then she  (4)   the age when she could play outside of her garden fence(篱笆），she asked her mother   (5)   she could go for a bike ride outside the gate. Her mother thought for a while and   (6)  allowed her to go. The little girl rode her bike   (7)  she got to the gate of the golden house.

As she leaned(倚靠）her bike   (8)  the gatepost, she focused on the path that   (9)  to the house and then on the house   (10)   and was so   (11)   . All the windows were plain(普通的)brand rather dirty.

   She was so sad that she didn't go any further. Heartbroken, she rode her bike back. As she  (12)  , she saw a sight that amazed her. There   (13)   the valley on the other side was a little house. Its windows glistened（闪耀）golden as the   (14)  shone on her little house.

   She   (15)  hat she had been living in her golden house all along. Everything she dreamed was right there in front of her eyes and in her daily life!

There were no classes last Saturday afternoon. Mary went to a clothing shop near her home. The shop   (1)  many skirts. She looked through them and   (2)  last chose a very nice one. She   (3)   it on and then told the shopkeeper to put it into a bag. At that time her friend Rose came into the shop. They   (4)   so happy to see each other that they   (5)  everything   (6)  . Soon they were busy   (7)    on and on happily.

It was nearly seven, so they decided to go and   (8)   dinner. Mary took the bag, and walked towards the door of the shop. The shopkeeper stopped them and asked Mary to pay for the skirt. Mary looked at him in   (9)  at first, but soon she remembered that she didn’t pay for it. She said sorry, gave him the money and then left the shop   (10)  her friend.

One day, a woman sat next to a man in a park.   (1)   pointed to the boy who was swinging(荡秋千) and said, “What a nice boy!”

“Yes, he’s a   (2)   boy. He’s my son.” The man said. Then, he   (3)   his watch and called to his son, “Shall we go, Todd?”

Todd answered, “Five more minutes, Dad. Just five more minutes.” The man   (4)   and Todd continue to swing.

Five   (5)  passed and the father stood and called again to his son. “Time to go now.” Again Todd said, “Five more minutes, Dad. Just five more minutes, please.”

The man smiled and said, “OK.”

“You are   (6)   a patient father,” the woman said.

The man smiled and then said, “My elder son Tommy was killed by a drunk driver last year   (7)    he was riding his bike near here. I never spent   (8)   time with Tommy. I’ve promised that the same mistake can’t happen   (9)   Todd. He wants to have five more minutes to swing. The   (10)   is that I also have five more minutes to watch them.”

Do you write your own blog(博客)? Do you often   (1)    other’s blogs on the Internet?

All over the world, not only famous persons but also many students use blogs as diaries and places to share their experiences and   (2)   advice or help.

“ I write my activities every day,   (3)    funny things and worries in my life.” says Lili, a high school student in Washington. “ I like putting pictures on my blog because it can make my blog more   (4)    and more people will like it. It’s a good way   (5)   my life to the world.” She has had her blog for eight months.

Students like writing blogs   (6)   they can write anything they want to, but don’t need to  (7)   any money.When you start to write your blog, you will find   (8)    necessary to open up your eyes to a new world. But what you write down may trouble you   (9)   . So use the blog carefully  (10)    you can keep yourself away from some trouble. The blog makes everyone’s life colorful.

   Life in the year 3044 is very different   (1)   life in the 21st century(世纪). We still do many of the things you did, but we do them

  (2)  . For example, we now have robots to help us. A robot is a machine that looks just   (3)   a human being. It can walk, talk and can do almost   (4)  we human beings do. My robot is a lot like me and we have great   (5)  together. She helps me   (6)  my homework and we often go swimming. She is programmed to take care of me if anything   (7)   , so I always feel safe（安全的）when we are together. She can send me messages, just like old-fashioned（老式的）e-mails, and she can also help me remember the past. It’s great   (8)   a robot– I am never lonely(孤独的) and I always have someone to talk   (9)   .

   I would like to tell you more about life in the year 3044, but I have to send my robot to clean up my room. Maybe   (10)   I will be able to travel back in time and visit you.

People can find bears in many places in the world . They have large bodies and thick legs but    21     tails. Bears are not real meat-eaters because they almost eat    22      Bears are not so dangerous

23        people think them to be . Bears are very brave. Many   24      were killed by bears when they ____25_____ to kill bears .

Bears have very good smell but very poor    26     So they usually find something ___27___ their noses, not with their eyes . They live __28___ on  root , fish and small insects. Sometimes they kill deer and    29   animals . __30___ fact ,they like   31     animals better like rabbits . Adult bears are   32   than most other animals because they can think of something . Have you seen how   33    they beg for (讨要) sweets and food in the zoo ? They are our friends   34   we should try our best __35___ them.

We are learning English, not learning about English. A student can ___11___ all about English, but he ___12___not be able to speak English. There is a ___13___ between “learning English” and “learning about English”. If you want to learn it well, please ___14___the following things. ___15___, learn the expressions(表达) by heart. Learn the ___16___sentence, not single words. At the same time, don’t ___17___ about mistakes. It is important ___18___ a good habit from the very first lesson. Just try to say ___19___you want to say and don’t care if people laugh at you. Keep on trying and you’ll make ___20___ mistakes.