题目内容
20.听第10段材料,回答第17至20题.17.When did Choset begin to build mobile robots?
A.In middle school.
B.In high school.
C.In college.
18.What did Choset study in college?
A.Computer science
B.Engineering.
C.Architecture.
19.What were Choset's classmates in college working on?
A.Toy cars.
B.Humanlike robots.
C.Robotic snakes.
20.What is the special feature of Choset's snake robots?
A.They can go where people can't.
B.They can injure a person if they bite them.
C.They can help people keep away from natural disasters.
分析 略
解答 BACA
点评 略
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