Ofallthemarketingplansproposedatthemeeting,thisoneisbelievedtobethe________(practical).（2.0分）
举一反三
- 下列哪一项最符合学术论文的语体风格?( ) A: It is a very interesting and practical study. B: I think it is a very interesting and practical study. C: In my opinion, it is a very interesting and practical study. D: It’s a very interesting and practical study.
- ______ allows<br/>us to convert a practical voltage source into a practical current<br/>source , and vice versa.
- ________ very useful, these ideas are not practical
- The research has many practical __________.
- 多选题 ( 2.0 分 ) 毛泽东思想的主要贡献是()