单项选择题
A.冰箱在促进人类幸福的同时,也对环保有较明显的影响。 B.冰箱对环保的影响显而易见,对人类幸福的贡献却少之又少。 C.冰箱对环境的影响显而易见,对人类幸福的贡献却微不足道。 D.冰箱对环境的影响显而易见,对人类幸福也有重大贡献。
A.It is a kind of disease. B.It might occur to any person. C.It may be easy to cure. D.Simple factors can lead to insomni
A. writing very neatly B. focusing on the content of words C. only using the words students can write D. using the simplest words in writing