2 . As 17-year-old Norwood drove through St. Petersburg, Florida, last February, the laughter and chatter from the four teenage girls inside her car quickly gave way to screams. As they ________ an crossroad, another car T-boned them, sending their car into a nearby yard, coming to a ________only when it crashed into a tree.

As smoke ________ in a large mass from the other car, a bystander shouted, “It’s about to ________ ! Get out!” Norwood struggled out through the window, running for her ________ along with two of her friends, who also managed to free themselves.

But halfway down the street, she realized that her best friend, Simmons, wasn’t with them. Norwood ran back to the car and saw Simmons in the back seat, unconscious. She ________ open the back door and pulled her friend out, avoiding the ________ glass as best she could. She dragged Simmons a few feet to ________ and laid her on the ground. She checked her pulse and her chest. No sign of life.

Had the accident happened a few weeks ________, she might not have known what to do. But Norwood, who wants to pursue a career in ________, had earned her CPR certificate just the day before. She knew she had precious little time to practice what she’d learned.

She started ________ Simmons’s chest with her interlocked fingers and breathing into her friend’s mouth in hopes of filling her ________ with the kiss of life. After the 30th compression (压缩), Simmons began coughing and breathing for air. The CPR had ________ !

Soon, the ________ arrived and rushed Simmons to the hospital. And then she heard ________ her best friend had saved her life. “I wasn’t shocked,” Simmons told CNN. “She will always help any way she can.”

4 . When smoke was found coming out of the back of the school bus early Tuesday morning, the bus driver, Teresa Stroble, immediately knew what to do. Thanks to her ________ thinking, more than 50 students’ lives were ________

While ________ a group of 56 students to their middle school in Duncan, South Carolina, on Tuesday, Teresa Stroble noticed the heavy ________ rising from the back of her bus. She ________ pulled the bus over, evacuated(疏散)the students, and asked ________ to call 911. Firefighters arrived at the scene shortly after the fire began and quickly ________ the fire, which was so ________ that people driving by were able to feel its heat inside their cars. Parents of the children on the bus were ________ the fire, but thanks to Teresa Stroble, the news they received was all ________: not a single child had been hurt.

Since then, Teresa Stroble, who has been a bus driver for seven years ________also works as a teacher’s assistant (助教), has been ________ for her brave actions. “We are so ________ of our bus driver,” headmaster Scott Turner told local CBS News. “She was ________. She also kept the students calm. She made sure they were safe. She didn’t leave the bus ________ they all left. She is our hero today.”

6 . A plane was flying somewhere to cut an abandoned oil pipeline. The pilot Downs ________ eight employees of the oil company and a man named Eliot on board.

Halfway, the plane was ________ by a sandstorm. It was ________ to successfully land. While the ten men were ________ for the survival, they found themselves in the depth of the desert. The plane was badly damaged and all the communication equipment didn’t ________. There were quarrels among the eight ________ for different escape plans. Soon, they ________ to fight against each other. Natural disasters had not killed them yet, but ________ disasters were about to destroy them ________.

At the moment, Eliot ________ shouted, “I’m an airplane designer. The main parts of the plane are not ________. As long as everyone works together, we can mend the plane.” People immediately stopped fighting and were ________ in their hearts. Under Eliot’s command, they began to be ________. Food and ________ could only last for ten days so they only ate two meals a day and ________ drinking water as planned. The repair work_________ in an orderly manner. Eight days later, the plane had not been ________ yet, but a camel team of businessmen passed by and ________ them.

Later, Downs knew that Eliot wasn’t an airplane designer at all and asked Eliot why he cheated them. Eliot said calmly, “If I hadn’t ________ then, could everyone live to this day?” Downs suddenly realized: being trapped in the ________ is terrible, but what is more terrible is that there is no hope for survival!

7 . On Thursday morning, two teenage boys were rescued by a drone (无人机) in Australia while lifeguards were still training to use the machine.

The ______, aged 15-17, got into difficulties about 700 feet off the coast of Lennox Head, New South Wales (NSW). A passerby saw them ______ in dangerous waves. Lifesavers ______ sent the drone to drop a lifeboat, and the pair made their way safely to the ______.

The drone, known as “Little Pipper”, was actually not ______ to be saving anyone just yet---lifeguards were being trained to ______ the machine. When a call came about the swimmers ______, the drone happened to be nearby.

Jai Sheridan was the lifeguard who ______ the drone. He described the experience as ______. “The Little Ripper ______ proved itself today. It is a highly efficient (高效的) piece of lifesaving equipment. I was ______ the drone when the alarm was raised. I directed it towards the swimmers, and dropped the ______. With its support they made their way to safety. They were ______, but not hurt. The teens were rescued in just 70 seconds with the drone---while a lifeguard would have taken up to six minutes to ______ the rescue.”

John Barilaro, an official of the state, ______ the rescue as historic. “It was the world’s ______ rescue by the unmanned aircraft”, he said. “Never before has a drone been used to ______ swimmers like this.”

Last December, the NSW state government ______ some “Little Ripper” drones for 247,000 pounds. ______ some are designed to spot sharks, others are ______ with lifeboats, alarms and loudspeakers. “It was money well spent,” said John Barilaro.