The large wings of that bird _________ it to fly very high and fast.

ad tried.He made a (1)of wings from chicken feathers and fixed them to his shoulders.Then he jumped om a tall building.As you can imagine, he did not fly very far.(2) he fell to the ground and broke several bones.The first real attempt at flying took place in France in 1783.The two Mongolian brothers knew that hot air rose.If they could

fill a large balloon(3)hot air, they thought it would rise into the air and fly.They were right.They made a very large hot air balloon of cloth and paper.It measured ten meters it diameter.They filled it with hot air and the balloon got two hundred meters into the air.It fell into earth about three kilometers away.

At the next attempt, they (4) passengers use a bal loon to rise into the air and fly.We do not know what the passengers fell about the trip as they were a cock, a duck, and a sheep But we (5) know that the trip lasted eight minutes and the animals landed safely.(完型填空)

A.Instead

B.Pair

C.Do

D.Arranged

E.With

e problem.One of these，for example，was the great Italian artist, Leonardo da Vinci(达·芬奇).In the sixteenth century he made designs for machines that would fly.But they were never built.Throughout history, other less famous men have wanted to fly.An example was a man in England 800 years ago.He made a pair of wings from chicken feathers.Then he fixed them to his body and jumped into the air from a tall building.He did not fly very far.Instead，he fell to the ground and broke every bone in his body.

The first real steps took place in France, in 1783.Two brothers, the Montgolfiers, made a very large “hot air balloon”.They knew that hot air rises.Why not fill a balloon with it？The balloon was made of cloth and paper.In September of that year，the King and Queen of France came to see the balloon.They watched it carry the very first air passengers into the sky.The passengers were a sheep and a chicken.We do not know how they felt about the trip.But we do know that the trip lasted eight minutes and that the animals landed safely.Two months later，two men did the same thing.They rose above Paris in a balloon of the same kind.Their trip lasted twenty-five minutes and they travelled about eight kilometers.

26.Leonardo da Vinci ______ .

A.said that man would fly in the sky one day

B.built a kind of machine which never flew

C.drew many beautiful pictures of birds

D.made designs for flying machine

27.Eight hundred years ago an Englishman ______ .

A.made a kind of flying machine

B.tried to fly with wings made of chicken feather

C.wanted to build a kind of balloon

D.tried to fly on a large bird

28.In fact，the Englishman who tried to fly ______ .

A.lost his life

B.flew only 8minutes

C.got badly wounded

D.succeeded in flying

29.The very first air passengers in the balloon were ______.

A.two animals

B.two Frenchmen

C.the King and the Queen

D.the Montgolfiers

30.When did two Frenchmen rise above Paris？______

A.In December 1783.

B.In September 1783.

C.In November 1783.

D.In the seventeenth century.

【T14】

A. BETWEEN

B. IMITATE

C. ACCELERATE

D. OTHERWISE PHRASES: A. ENABLING THE BIRD TO【T13】______

B. IT【T14】______ COULD

C. WOULD BE DIFFICULT TO【T15】______

D. FROM【T16】______ ITS FEATHERS THE EMPEROR PENGUIN TRAPS AIR IN ITS FEATHERS. NOT ONLY DOES THIS INSULATE THE BIRD AGAINST EXTREME COLD BUT IT ALSO ENABLES IT TO MOVE TWO OR THREE TIMES FASTER THAN【T17】______ HOW？ MARINE BIOLOGISTS HAVE SUGGESTED THAT IT DOES SO BY RELEASING TINY AIR BUBBLES【T18】______ . AS THESE BUBBLES ARE RELEASED, THEY REDUCE FRICTION ON THE SURFACE OF THE PENGUIN"S WINGS,【T19】______ . INTERESTINGLY, ENGINEERS HAVE BEEN STUDYING WAYS TO MAKE SHIPS GO FASTER BY USING BUBBLES TO REDUCE FRICTION AGAINST THEIR HULLS(船身). HOWEVER, RESEARCHERS ACKNOWLEDGE THAT FURTHER INVESTIGATION IS CHALLENGING BECAUSE "THE COMPLEXITY OF PENGUIN"S WINGS【T20】______ ".

Kite

Kite flying is the sport of sending up into the air, by means of the wind, a light frame. covered with paper, plastic or doth. The frame. can be one of many different shapes and is attached to a long string held in the hand or wound on a drum. Kites have a long history practical application and many different types of kite have been developed to serve various purposes.

The ancient Chinese used bird-kites to carry ropes across rivers and valleys. The current folding kite which will dive excitingly is an improved type of such a kite. With its long flat body and single pair of bird like wings, it looks just like a large bird in the air. The modern version is usually made of tissue paper rather than the traditional silk.

Man-lifting kites were developed in ancient times, again by the Chinese, for getting information from walled cities and army camps. In fact, as recently as World War Ⅱ, German U-boats flew kites from their towers to lift people into the air to watch the land. These kites, which are no longer in existence, were made of lightweight cloth. They were much larger and stronger than the Chinese ones. Their design, however, was simply that of the cutter kite. Smaller in size, this type of kite is still very popular as a toy for children, being easy to make with a diamond-shaped frame, no wings and brown-paper covering.

Box kites are another type of kite found in toy shops today. The first box kite, named for its box-like body, was developed in the 19th century to test theories of flight and this type of cotton-covered kite greatly assisted the success of early airplanes. These kites are the ancestors of a heavier version of the box kite, called the double box kite, which consists of two main sections, placed side by side. Developed for the peacetime purpose of fishing in strong sea wind, it is the only modern kite described which has practical value. A long-lasting plastic material has to be used for this kite, which carries fishing lines.

The ancient Chinese bird-kites were usually made of light frames covered with ______.

A．silk

B．paper

C．cloth

D．plastic

I can’t find _____.

A、a coat enough large

B、a large enough coat

C、a large coat enough

D、an enough large coat

l that can do this？ It has wings like a bird. But it doesn’t look like a bird. It’s a bat.Bats have fur mostly all over, but not on their wings. Some bats have black, brown, red, or yellow fur. These live in dark places, like caves. Other bats live in trees. Many of these bats are part white and part another color. Some of them are green.There are more than 900 kinds of bats. The biggest ones are called flying foxes. Their heads look like little brown fox heads. The wings of these bats can be over 5 feet across. But other kinds can be very little. The wings of the smallest bats are only 1/2 foot across.In the day, bats hang by their feet and sleep a lot. At times they clean their fur. Some of the time they care for their babies. Mostly they sleep. But when the sun goes down, they begin to move. At night bats fly around. They try to find food. Bats eat fruit, bugs, plants, fish, and flowers.Some bats use their good hearing to find things in the dark. First they make sounds. The sounds jump off anything around the bats. Then these sounds come back, so the bats can hear just where the thing is. They can fly right to it. That’s how they find things to eat.

1.According to the passage a bat is ().

A.an animal

B.a plant

C.a bird

D.food

2.From the passage we know that ().

A.there are as many as 900 kinds of bats in the world.

B.Bats with brown and red fur live in trees, while bats with green fur live in caves

C.bats are blind but have good hearing

D.the wings of the biggest bats can be exactly 5 feet across

3.The word “flying fox” in paragraph 3 means ().

A.red foxes flying high

B.the biggest bat

C.a kind of fierce animal recently discovered

D.fox-like animals with big wings

4.According to the passage the way bats find food is ().

A.to fly around it at night

B.to jump off anything around them

C.as the same as that of most other animals

D.to use their good hearing in the dark

5.Which of the following is NOT true according to this passage？()

A.All dark bats live in the dark places.

B.In the day bats sleep a lot and look for foods at night.

C.Bats eat more fish and fruit than they eat bugs.

D.Bats can hang on the wall by their feet.

A.big

B.tall

C.large

D.old

A.note

B.balance

C.credit

D.statement

A.half as

B.as half

C.one third as

D.three as

A.help

B.resist

C.avoid

D.prevent