D.challenge
解析:选A。根据前文的get better判断他只是需要帮助。故选A。解析:选B。根据前文作者女儿叙述的感人故事作者发出自己的感慨那就是我为什么爱中学孩子的原因”。故选B。B
At just 18 years old,Canberra student Lochie Ferrier has already conducted research in a frontier field—aerospace engineering.Aerospace engineering is the primary__1__of engineering concerned with the science and technology of aircraft and spacecraft.
In 2017,he was one of 80 high school students worldwide who__2__a sixweek science and engineering program at MIT.During the program,he was__3__by the institute’s scientists,and developed a method to identify inactive satellites.This method,called OASIS,is designed__4__a way to help manage space debris(碎片)__5__operating satellites.
“One solution to this problem is a__6__robot that can gather pieces of space debris and store them in orbit,” he says.“These pieces could be__7__to new satellites later,thus__8__the costs and launch weights of new satellites.” However,__9__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,__10__in the next 10 years,” he says.
Lochie has made the__11__of the Young Innovators category of the Australian Innovation Challenge Awards with his OASIS.This category is open to students aged 21 years or __12__and carries a $ 5,000 prize.If he won,he would use the money to help fund__13__research into OASIS.“My plan for using the money would be to try to use materials which could stand up to the__14__environment of space,” he says.
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