At just 18 years old, Canberra student Lochie Ferrier has already conducted research in a frontier field —aerospace engineering. Aerospace engineering is the primary _____ of engineering concerned with the science and technology of aircraft and spacecraft.

In 2014, he was one of 80 high school students worldwide who _____ a six-week science and engineering program at MIT. During the program, he was _____ by the institute’s scientists, and developed a method to identify inactive satellites. This method, called OASIS, is designed _____ a way to help manage space debris （碎片）, which _____ operating satellites. “One solution to this problem is a _____ robot that can gather pieces of space debris and store them in orbit，” he says. “These pieces could be _____ to new satellites later thus _____ the costs and launch weights of new satellites.” However, _____ satellite identification technology would be needed for this solution, and that’s what Lochie is working on. “I hope this method would be put into practice in the near future, _____ in the next 10 years,” he says.

Lochie has made the _____ of the Young Innovators category of the Australian Innovation Challenge Awards with his OASIS. This category is open to students aged 21 years or _____ and carries a $ 5,000 prize. If he won, he would use the money to help fund _____ research into OASIS. “My plan for using the money would be to try to use materials which could stand up to the _____ environment of space,” he says.

He is also considering how to _____ manufacturers. the technology to organizations such as NASA and satellite

Lochie’s _____ in aerospace engineering was aroused by the big dish antenna（碟形天线）at NASA’s tracking station near Canberra，which he visited in his early teens. He said his software design and development teacher at Canberra Grammar School _____ him, too. “He taught me valuable project management and skills which I applied to OASIS.”

Lochie has been attending Canberra Grammar School and will soon _____ exams for admission to universities. He _____ his time between schoolwork, his personal _____ projects such as OASIS and the develop ment of apps, rock climbing, and playing classical violin. The teenager is well on his way to realizing his sky-high ambition.

Today, the Braille writing system is the most well-known language system used by blind people all over the world to read and write. It was ________ by Louis Braille, a young blind child at the age of 12, to ________ the way blind people read books at the time.

At age 10, Louis Braille got a(n) ________ provided by France’s National Institution of Blind Youth, where he took up piano. It was there that he first heard a(n) ________, given by a soldier, who told the children about a code (代码) his fellow soldiers used to communicate without ________, at night, in battle.

Braille was very ________ and realized that the writing system could actually be adapted to a writing/reading system ________ to the blind. He set out and worked to ________ the soldier’s code. After two years of hard work, Braille ________ the now-familiar six-dot alphabet-based (基于字母表的) code. He continued to work on the system over time, ________ developing a machine with a friend that let blind people type in the regular alphabet.

Braille published his system when he was 20. Despite the ________ from his fellow blind students, the system was refused by some ________ and school board members—they ________ that blind people might take away their jobs.

Braille ________ as a teacher and musician, but his system didn’t spread beyond the institution. It was only after his death that the system caught attention and became the ________ way blind people read and write around the world.

A 13-year-old girl from Connecticut came up with a smart idea and brightened the days of hundreds of sick kids. ________ to see her dear sister lying on the hospital bed three months ago, Ella Casano ________ the Medi Teddy, a stuffed animal bag that contains an IV pocket (静脉注射袋). The back of the ________ consists of a net, allowing a doctor or nurse to see through and check on the liquid ________ that a child is receiving. From the front, the child sees a ________ face instead of the IV liquid pocket.

At the beginning, Ella hoped to ________ $5,000 through a GoFundMe page, which would have allowed her to start producing 500 Medi Teddys, the smallest number ________ by the manufacturer (厂家) to do the job. ________, in just over a week, Ella’s page collected more than $20,000. Although her sister recovered soon, Ella was amazed by the ________ level of response and decided to work harder.

She shared with a local newspaper, “It turns out kids aren’t the only ones who get ________ by the Medi Teddy. The ________ for it has been quite obvious among patients, both children and adults, and even pet owners nationwide. We want to continue to ________ Medi Teddys to as many children as we can to make a ________ in their lives.”

The same motivation has also ________ Ella’s mum. “It’s really been heartwarming to receive such ________emails from all over the world,” she said. “And it’s inspiring me to contribute to the process.”