Which of the following statements about the research is NOT true？（）
A. It was clone within 30 hours.
B. It was headed by Professor Stick gold.
C. It focused on long-term memory formation.
D. There were altogether 24 subjects in the experiment.
查看答案
A．ageB．yearC．timeD．generation
A. age
B. year
C. time
D. generation
Even the most sophisticated Japanese robots are_________
A. too much energy
B. based Ol3 American designs
C. they are too costly
D. they are not reliable
E. good to quality control
F. free of charge
The researchers studied the mice.
请选择（15）处的最佳答案。
A. programs
B. parent
C. records
D. words
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