A Ongoing Research B Extension of Use C Robot Heroes D Greater Reliability E Falling Demand F Hidden Danger A too much e

admin2009-06-15  32

问题 A  Ongoing Research
B  Extension of Use
C  Robot Heroes
D  Greater Reliability
E  Falling Demand
F  Hidden Danger
A  too much energy
B  based on American designs
C  they are too costly
D  they are not reliable
E  good to quality control
F  free of charge

选项

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/9cGd777K
0

最新回复(0)