In order to write an article on the famous scientist, Samuel went to Harvard to make（）about his academic background. A: a request B: an acquirement C: an inquiry D: a requirement

The mother complained that her daughter should not have bought such[br][/br]an expensive car; it costs the _______ of her whole year’s salary. A: equipment B: equivalent C: acquaintance D: acquirement

I knew that concentration was the first [u]      [/u] for learning. A: acquirement B: requirement C: requires 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181}