invent发明,动词原形;invented发明,过去式;is invented被发明,一般现在时的被动语态;was invented被发明,一般过去时的被动语态。根据“in April, 1973”,可知本句用一般过去时;根据主语“The first mobile phone”与动词“invent”的关系,可知用被动关系,所以一般过去时的被动语态。故选D。
根据第一段第一行The first mobile phone was invented in the late 1970s.As a communication tool,mobiles make it for people to keep in touch with each other.(第一部手机是在20世纪70年代未发明的。作为一种通讯工具,手机使人们彼此...保持联系。)可知此处填"方便的"符合语境,故答案是D。(2)考查...
人民日报：众所周知，2024年“新质生产力”一度成为热词。AI作为新质生产力中的一员，您认为当下哪些AI应用在实现经济效益方面已经树立了很好的例子？给社会生产和生活带来了哪些影响？李开复：我认为“新质生产力”这一概念非常有见地。它意味着，生产力的提升并非仅仅依赖于劳动力的增加，而是通过运用新颖独特且具有...
The first mobile phone invented for practical use was by a Motorola employee called Martin Cooper who is widely considered to be a key player in the history of mobile phones. Handsets that could be used in a vehicle had been developed prior to Martin Cooper’s phone, but his was the first...
1.The first mobile phone was invented by Martin Cooper.(对划线部分提问) ___ ___ the first mobile phone___ by? 2.The boys and girls that are seven years old should go to school.(改为同义句) ___ should go to school. 3.My mother often makes me help with housework. (改为同义...
解析 invent发明,动词原形;invented发明,过去式;is invented被发明,一般现在时的被动语态;was invented被发明,一般过去时的被动语态。根据"in April,1973",可知本句用一般过去时;根据主语"The first mobile phone"与动词"invent"的关系,可知用被动关系,所以一般过去时的被动语态。故选:D。
翻译第一部手机是在20世纪70年代的美国发明的。 本题主要考查时间的表达。in the + 世纪百位进数 + 十位年代数 + s,固定搭配,意为“在...世纪...年代”,如:in the 2010s 意为“在21世纪10年代”。结合句意,第一部手机是在20世纪70年代的美国发明的。故正确答案为C。反馈 收藏...
The world's first mobile phone invented in 1973 by Martin 翻译结果2复制译文编辑译文朗读译文返回顶部 In the world the first handset invented in 1973 by Martin 翻译结果3复制译文编辑译文朗读译文返回顶部 The world's first phone in 1973, invented by Martin ...
The first mobile phone was invented in the late 1970s. As a communication tool, mobiles make it ___ for people to keep in touch with each other. But overuse of the mobile phone is bad for us. We all ___ that, but no one ever ___ puts their phones down. A child wrote, “I ...
50th Anniversary of the First Mobile Phone Call is April 2023. Find out the story behind the call & discover the history of the mobile phone