Let me more _to my next main point.
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you'll get the right training and education first,which is really the best way.
A. 对
B. 错
100 years ago ,80% workers produced goods today only about 20% do.
A. 对
B. 错
With the development of science and teachnology more and more people are leaving longer and longer.
A. 对
B. 错
Organic farming is better _ the environment
A. for
B. at
C. in
D. on