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阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式．
(2020· 5月四川天府名校教学测评)
Chinese researchers have developed a robot designed to help doctors treat the new coronavirus and other 41 (high) contagious (传染的) diseases.The machine has a long robotic arm attached to a base with wheels.It can perform some of the same medical examination tasks 42 doctors.Cameras record the robot’s activities， 43 are controlled remotely so doctors can avoid 44 (come) in close contact with infected patients.Doctors and other medical 45 (worker) can operate the machine from a nearby room，or from much farther away.
The robot’s main 46 (design) is Zheng Gangtie，an engineer and professor at China’s Tsinghua University in Beijing.He said that he got the idea for the device around the time of the Lunar New Year in January.At the time， 47 number of cases of the COVID-19 virus was rising quickly in the city of Wuhan.COVID-19 is the disease 48 (cause) by the new coronavirus.
“Doctors are all very brave，” Zheng said.“But this virus is just too contagious.We can use robots to perform the most 49 (danger) tasks.I would like to build more of the robots，but money from the university 50 (run) out so far.Each robot costs about $72,000 to make.”
【答案】 41.highly 42.as 43.which 44.coming 45.workers 46.designer 47.the 48.caused 49.dangerous
50．has run
