1 . I’d gone snowboarding enthusiastically in France with my little brother. That day, fresh snow had been falling, and we were in a good ______. We stopped near the top of an off-path section going through ______. I let my brother disappear into the trees ahead, ______ I would soon catch up.

I began to ______ speed when I was suddenly thrown off balance. Just as I was regaining control, I ran into the trunk of a large tree. It was like ______ a solid wall. The pain was instant. I knew immediately that my ______ was broken and quickly realized the situation could get very ______. Nobody would be coming past. There was no phone signal. It was snowing and cold. If I waited, I would ______ be rescued eventually. But the chance of ______ to death before that happened was too high for me.

I tried to stand but fell down and almost ______ with pain. I managed to get the board off from my feet and moved it under my stomach so I was lying on it. I faced down the mountain and used the board to slowly drag and ______ my body down the steep, tree-lined slope.

It took about two hours ______ a skier found me and I got help. The mountain rescue team came, with my brother arriving shortly afterwards. I couldn't feel my hands or my toes，but I was ______ to know I was safe.

A helicopter took me to hospital. I had broken one of my backbones, so I had a(n) ______ where the doctors inserted plates. The constant pain was agonizing (痛苦的), but it wasn’t as bad as seeing the pain and worry I put my family through. The recovery road was ______, but I was lucky.

2 . On July 24, 1916, a natural gas explosion trapped 32 men working in a tunnel 250 feet below Lake Erie. The first rescuers who entered the tunnel were _________ by gas, and for hours no one else dared to enter the suffocating (窒息的), _________ deathtrap.

Then, late that night, someone had an idea: _________ Garrett Morgan and his new invention. Garrett Morgan was a successful factory owner in Cleveland. The son of freed slaves and the seventh of 11 children, mechanically minded Morgan had opened his own sewing machine shop, which he soon _________ to a tailoring factory with 32 employees.

In the early 1900s, factory buildings were crowded and untidy. They were often made of wood, with no fire escapes. Fire could cause serious _________. Concerned about his employees, Morgan _________ with a “safety hood” (头罩) that would allow the wearer to _________ despite a fire’s poisonous smoke.

Morgan knew smoke rises during a fire. Therefore, he created a heat-resistant hood with a long tube reaching to the floor. Wearing Morgan’s hood, a firefighter could breathe the _________ air near the ground. Morgan lined the breathing tube with a sponge-like material that was wetted before use to ___________ the air. A second tube was designed to __________ exhaled (呼出的) air.

Called to the scene on the night of the tunnel explosion, Garrett arrived with samples of his safety hood. Still in their nightwear, he and his brother Frank put on the hoods and bravely entered the tunnel. It was a dangerous __________ of the invention, but they saved two lives and __________ four bodies before officials closed the __________. Morgan knew that more lives might have been saved if he had been called sooner.

The daring __________ made Morgan famous and brought requests for safety hoods from fire departments around the country. But his greatest __________ was knowing that his invention would now save more people.

3 . “Fire! Fire! ” What terrible words to hear when I _______ in a strange house in the middle of the night! It was a large, _______ house — the sort that burns easily — and my room was on the top floor. I jumped out of bed, opened the door and stepped out into the passage. It was full of _______.

I began to _______, but as I was still only half awake, instead of going towards the stairs I went in the opposite direction. The smoke grew thicker and I found it hard to _______. The floor became _______ under my feet. I ran into another room and tried to reach the window for fresh air. Suddenly, one of my feet got caught in something _______ and I fell down. The thing I had fallen over felt like a package of clothes, and I picked it up to protect my _______ from the smoke and heat. Just then the floor broke under me and I fell through to the floor below with pieces of _______ wood all around me.

__________, there was a doorway in front, so I put the package over my face and ran. My feet were terribly burned, but I __________. As I reached the cold air outside, my package of clothes gave a __________. I nearly dropped it in my surprise. Then I saw there were many people in the street. A woman screamed (尖叫) as she saw me and came running __________.

“My baby! My baby! ”she cried. Those people cheered loudly __________ she took the smoke­blackened package out of my arms. I almost failed to see who she was — my boss's wife. I had __________ her baby, and I became a hero!

4 . Luke is a cute dog, living together with me for five years. We get lots of   _________   in our area during the summer season. Many forests are badly _________ by fire each year. That hot summer, not far from our shelter, a forest   _________ fire. It was July, and there had been a heat wave going on for three days.

Somehow, Luke rushed toward the forest. There was no longer any hope at that moment to wait for Luke to come back to the _______. In fact, I was waiting for firefighters to tell me that he had _______ in the forest. Suddenly, a fireman burst into my office and     _______     me that Luke had succeeded in saving four kittens who had been _______by the flames. I _______   accompanied the fireman to the forest to get him back. _______ we got to the scene of the incident, we didn’t see Luke. Then we heard the   ________ of a dog barking in the forest. I ________the barks as Luke’s. The firemen ________ the tracks of the dog until they found him barking loudly by the side of an injured ________. Thanks to Luke, four kittens and a fireman were saved. This true story shows us that pets are loving, caring and compassionate. We should love and ________them. Little animals can do     ________     things for humans.