Our country began to do unmanned research in the nineteen eighties,
first applied to the national defense system.
( )
first applied to the national defense system.
( )
举一反三
- The construction of our country in early times was influenced by the cropping system managed under the square-fields system.
- Our<br/>legal system laws ________from the English system. A: heritage B: heritable C: inherited D: heritability
- According to the methods of research, the research can be classified<br/>either fundamental research or applied research.() A: √ B: ×
- In<br/>our internal deliberations he spoke in favor of reducing defense<br/>exp______ 费用.
- (multiple choices)Which of the following statements about our nervous system are correct? A: Our nervous system includes the central nervous system and the peripheral nervous system. B: The central nervous system only contains our brain. C: The somatic nervous system is part of the peripheral system. D: The autonomic nervous system can be divided into the sympathetic and the parasympathetic system.