根据第一段前三句“The man who made the first call from a wireless phone is now 94 years old. The year was 1973. Martin Cooper operated...”可知,第一个用无线电话打电话的人Martin Cooper现在94岁了,那年是1973年,即Martin Cooper在1973年打了第一个无线电话。故选A。2、 [考点] 事实细节题 根...
Martin Cooper who made the first call from a wireless(无线) phone, 94 years old, received an award in the Mobile World Meeting, the biggest telecom industry trade show.He operated a large, heavy new communication device (设备) on a street in New York City in 1973.The device was not phy...
Who invented the first commercial computer? What company made the first laptop computer? Who invented the first computer operating system? Who built the first digital computer? Who invented the first supercomputer? Who invented the computer mouse? What company developed the first commercially successful...
Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. We have 207,000 employees and operate in over 170 countries and regions, serving more than three billion people around the world. We are committed to bringing ...
.阅读理解(10分)The man who made the first call from a wireless(无线的) phone is now 94 years old. The year was1973. Martin Cooper operated a largo, heavy, new communleation device on a sureet in New York City. The device was not physically connected to phone lines. But, Cooper was...
To make the xenobots, the researchers removed living stem cells from frog embryos and left them to develop.“Most people think of robots as being made of metal, but it’s not so much what a robot is made from but what it does, which is act on its own on behalf of people,” said ...
Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. We have 207,000 employees and operate in over 170 countries and regions, serving more than three billion people around the world. We are committed to bringing ...
The technology industry has a challenge—but also an opportunity—when it comes to gender diversity. The challenge: just as they are in many sectors, women are underrepresented in tech leadership. Women make up almost half (47%) of the US workforce, but they hold less than one-third (28%...
But in recent years, electric cars have made a comeback. About 1.4 million electric cars were sold in the United States in 2023 , according to the International Council on Clean Transportation. This technology, like the internal combustion engine, also has a long history that is difficult to ...
1D to create wireless phones that could work in vehicles and also be carried可知,可以在汽车上工作又可以随身 携带的无线电话,应该是便携式的 下文“Cooper made the first public call from a hand-held portable telephone on April 3. 1973." 也是提示 故选Davailable可获得 :suitable合适的; changeable...