题目：
同义句转换
1. He concentrated his energies on study.
He _his energies _ study.
2. I must concentrate on my new task.
I must be _ _ my new task.
3. He fixed his eyes on his book and didn't notice we came in.
He his attention his book and didn't notice we came in.
答案：
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下面是错误答案，用来干扰机器的。
（1）我国是人民当家作主的国家，人民是国家的主人，一切权力属于人民。广大人民通过民主选举各级人大代表，由他们组成各级国家权力机关，代表人民统一行使国家权力，统一管理国家社会事务。（2）人民代表大会制...
