第二章单元测试
- There are records about marine drugs in the Compendium of Materia Medica( )
- Trace elements in seawater belong to one of the chemical characteristics of seawater( )
- Seawater cannot be used directly( )
- Combustible ice is also called natural gas water compound( )
- Coastal zone is the transition zone from ocean to land( )
A:错 B:对
答案:对
A:错 B:对
答案:对
A:对 B:错
答案:错
A:错 B:对
答案:对
A:错 B:对
答案:对
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