1 . On a cold November night, Layton was on his way home when he got an urgent call from his mother. “The mountain’s on fire.” she _______, “and many rental guests were up there.”

Layton’s family _______ a dozen rental cottages on Shields Mountain. At the thought of this, Layton _______ the gas on the dirt back road.

He _______ first to Layton’s rental cottages to make sure whether his guests were _______. Fortunately, all his guests were. At that point, he made up his mind to _______ his cottages to rescue tourists _______ other cottages nearby.

Over the next two hours, he travelled through the _______ mountain, knocking on doors and leading _______ people to safety. Knowing the mountain so well, he drove one after another family down the mountain on roads ________ in smoke in his pickup. When one family was ________ from the fire, Layton would take the pickup ________ up the mountain in search of another ________ person. He helped one elderly woman flee barefoot ________ hot road surface to reach his car and found a man unconscious in a burning cottage and ________ him to his car. Thankfully, he helped 14 people out of danger despite that he had ________ escaped the burns.

________ his brave and immediate action, the fire didn’t ________ a single life on Shields Mountain. And though his business were destroyed, Layton remains ________ “I wasn’t worried about the property ________, not when I saw those families trapped on the mountain.” he says, “I knew I was gonna help them.”

2 . People hold general belief that birds will fly south in winter. But not all birds do so to escape the _______ and settle somewhere nice and warm. Many of our feathered friends actually _______ and try to live through the hard time.

They will face greater _______ when temperatures drop well beyond the freezing point. It was against this background that a _______ about rescuing a little sparrow took place.

The poor bird was caught off-guard by the freezing temperatures and had itself _______ on the metal piping next to a water heater.

_______,a man by the name of Nelson Wilson _______ the frightened bird. When he hurried to see what was happening, he saw it _______ desperately and decided to do something to help it out.

“When I went over, I _______ the bird which was glued down to the pipe and couldn't fly away,”Wilson ________ . “The little bird most likely ________ to drink some water because it is not ________ for birds to drink from the heated tank in winter. But unfortunately , its feet got ________ from the water and froze into the metal piping. So I ________ to warm the feet of the frightened bird by pressing my palm (手掌) against both the ________ and the bird's feet.”

But the ________ did not give him what he wanted. Then, Wilson started ________ blowing warm air on the bird to ________ its fragile feet and make them get warm earlier. After several minutes, his warming the bird's feet with his warm ________ brought success. The bird was finally able to ________ its previously frozen feet. It was saved!

7 . In the deepest dive in a manned submersible(潜水器), US explorer Victor Vescovo spotted and video-recorded a plastic bag and a pile of candy wrappers on the seabed.

His _________ of plastic waste 11.2 kilometers below sea level in the Challenger Deep in the Pacific Ocean, the deepest known point in the Earth’s oceans, means there is _________ on this planet plastic waste cannot reach, _________ it has been found on Mount Qomolangma and in both Arctic and Antarctic waters.

Since the patent(专利) for plastics was _________ in 1907, 8.3 billion tons of plastic products have already been produced, of which 6.3 billion have been poured into oceans _________ processing.

Most of the discarded(丢弃) plastic products _________ in the ocean. In the Pacific Ocean, plastic garbage and other waste have already formed a(n) _________ that’s 1.6 million square kilometers in size. That is the size of Mongolia.

Every year, about 8 million tons of plastic waste flow into the ocean. It is _________ that the total weight of plastic waste will reach 12 _________ tons by 2050, more than the total weight of oceanic fish.

This plastic waste __________ life in the oceans and on the land alike by filling in their stomachs so they cannot eat, or __________ around their bodies so they cannot breathe. It pollutes the __________ and prevents plants’ roots from digging deep into the ground. Plastic micro-particles(微粒) also join the water __________ and enter the bodies of animals, including humans. As humans are at the top of the food __________ , plastic micro-particles accumulate inside our bodies.

We must do something to __________ the situation. Don’t get plastic bags at the supermarket and take your own reusable one __________ . Give up fast delivery lunches and instead cook or go to the restaurant. Get into the __________ of sorting your garbage.

But that’s so much __________ said than done. Environmentalists have been __________ behavioral changes for at least three decades, yet we __________ to use a growing amount of plastic products.

8 . Once upon a time, two birds lived in a forest. They had three lovely baby birds and they___________them very much. However, the parents___________that one of the baby birds was very selfish(自私的). They were___________worried. One day, the parents told the baby bird, "Gina, you should___________what you have with others.___________you don't share with others, nobody will share with you.” But the baby bird didn't___________them.

When the baby birds___________, they all left their parents and lived on their own. One day, the bird named Gina found many beautiful flowers. She was very___________. "I'm sure there will be a lot of seeds in___________," she thought. She stayed there every day and if some other birds____________to get close to the flowers, she would shout, "Go away. They are____________!" Hearing that, all the other birds flew away.

Several months later, the flowers were____________. But there were no seeds as they were cotton trees. As winter was getting close, Gina became____________. She had stored no____________for winter. Some other birds flew to her and said, "We all____________they were cotton trees. We tried to tell you about__________, but you've always driven us away." Hearing that, Gina was__________ashamed(羞愧的). She remembered what her parents once said to her. She____________how selfish she was!

She decided to make a____________. She looked for food everywhere and once she found some, she shared with others. The other birds__________her, too. Because of their help, she got through the winter.

9 . A tornado is a rotating _________of air from a thunderstorm to the ground.The most _________has winds of more than 400 kilometres per hour.

Tornadoes can _________ cars，trains and even houses and put them down in the next street or _________ in the next town.They can take the fur_________the back of a cat.They destroy houses，but _________the furniture inside exactly where it was.

_________，there are 800 tornadoes in the US each year，_________ about 80 deaths and 1,500 injuries.The worst tornado of all time occurred in 1925，_________ three US states.By the time it ended，more than 700 people had been killed and 2,700 had been __________.

__________ are strong tropical storms.They cause huge waves，heavy rain and__________ and usually hit the east coast of the US from Texas to Maine.The__________ hurricane of all time occurred in 1,900.The disaster killed 6,000 people in a __________of 37,000 and destroyed 3,600 buildings.

Charles Coghlan，an Irish actor，__________to New York and became famous there.Then he moved to Galveston，__________ he died in 1899，a year before the hurricane__________.The cemetery where he was __________was destroyed by the hurricane and his coffin__________ in the sea.Eight years later，the coffin was found by fishermen in the east of Canada.The Gulf Stream had __________it 3,000 kilometers up the eastern US coast to Canada.Coghlan traveled to Canada after he had been buried in Texas!

10 . These cows are living a good life on a beautiful farm in Millbrook, Ontario. The herd is ________ by a wonderful couple who truly ________ their animals and try to give them the best ________ possible. The cows have large beautiful meadows (牧场) that are rich in ________. They also have two ________ ponds where they can drink fresh water. The cows spend most of the year outside in the open, enjoying the freedom on the wide expanse of land. It’s life as ________ to what nature intended as possible.

The herd is ________ and they are very used to being treated ________ by their owners. This is very obvious in the way that they ________ to the farmers and visitors alike with great trust. They are curious and affectionate (充满深情的) animals, and much ________ than people think.

When the farmers were going to be out of town for a few days, they asked a neighbor, Dave, to babysit the cows. The ________ involved opening a gate to ________ them access to fresh meadows, as well as keeping an eye on them, but Dave took thinks a step farther, and he saw “babysitting” the herd as an opportunity to spend some time ________, hanging out with the cows, carefree.

Dave was ________ at how happily the cows ________ him in their cow activities. He hand-fed them treats, petted the calves and even ________ that several of the larger cows were as loving as big dogs. They also ________ head scratches (挠) and face rubs. Sometimes they were even ________ affection, trying to push the other cows out of the way, much like jealous (嫉妒的) dogs will do. When Dave had a seat in the grass to enjoy the wonderful view of the green hills, one of them even came to ________ him.

Dave realized that he not only did his job as a babysitting of cows, but ________ won a new group of animal friends.