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。
In___the first mobile phone was invented(发明)by Martin Cooper.( ) A. 1973 B. 1983 相关知识点: 试题来源: 解析 考查英文常识。根据常识可知,第一部手机是在1973年被马丁•库珀发明的。A为1973,B为1983,可知,A符合题意。故选:A。 第一部手机是在1973年被马丁•库珀发明的。反馈 ...
The first mobile phone invented is rooted in the history and technology of the hand held radio. Two way radios, or mobile rigs, were widely used by taxis and emergency services prior to the invention of the first mobile or cellular phones. Two way radios allowed communication among vehicles ...
【题目】The first mobile phone was invented in the USA ___. A.in 1970sB.in the 1970s'C.in the 1970s 试题答案 在线课程 【答案】C 【解析】 句意:第一部手机是在20世纪70年代的美国发明的。 in the+世纪百位进数+十位年代数+s,固定搭配,在...世纪...年代,故答案选C。 练习册系列答案 同...
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...
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...
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...
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__...
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...
There are lots of inventions in our life. One of my favorite inventions is the mobile phone. The first mobile phone was invented by an American named Martin Cooper in 1973 and it was quite big. Then it was improved to be smaller. And people can carry it anywhere easily. It is used no...