2. 外语
  3. Basically a robot is a machine which moves, manipulates, joins or processes ______ in the same way as human hand or arm.

Basically a robot is a machine which moves, manipulates, joins or processes ______ in the same way as human hand or arm.

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问题 Basically a robot is a machine which moves, manipulates, joins or processes ______ in the same way as human hand or arm.
选项 A、characters
B、components
C、catalogues
D、collections
答案B
解析 component 意为“零件；成分”如：“A computer consists of thousands of components.”；character 意为“特性；人格”如：“He has a changeable character.”；catalogue 意为“目录”；collection 意为“收集”。
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