根据第二段"Then in the 2000s,using the Internet, listening to music...for 3G”可知,3G让人们开始使用互联网。 故选C。 47.C 【解析】细节理解题。 根据第三段"With 5G... classes outside your home". 第四段“With 5G,cars like... self-driving..."和第五段“... and makes your video ...
Can you see a small “5G"at the top? Do you know what it is? 5G means “5th generation mobile network(第五代移动通信技术)”Each mobile network generation is faster and more powerful(强大的)than the one before it. In the 1980s, with 1G, we made phone calls for the first time. ...
The radiation from cellular phones will either make the nearby medical device malfunctioning or alter the parameters measured. Moreover, it could make changes in the monitors. In the literature, most devices vulnerable to the cellular phone radiations are the mechanical ventilators, infusion pumps, ...
This study assesses how the mobile phone influences governance to improve information and communication technology (ICT) exports in sub-Saharan Africa with data from 2000 to 2012. The empirical evidence is based on the generalised method of moments and three main governance concepts are used, namely...
There were over 2.1 million pay phones in the U.S. at their peak in 1999, but now the technology is mostly relegated to nostalgia. Few wall-mounted pay phones linger in strip malls, and the silver and blue phone booths are mostly gone from the busy streets they once dotted in many par...
【题目】In 2000, the world's first mobile phones with cameras were put on the market inJapan. T wo years later, these phones werereleased in Australia , Europe and the UnitedStates. A market research shows that therehas been a sharp rise in worldwide sales from 80 million mobile camera ...
Then in the 2000s, using the Internet, lis-tening to music and sending emails appeared in people's life with 3G. Later, we could watch films and even buy things in the 2010s with 4G. What's special about 5G?Do you have online classes at home? With 5G, you can have classes out...
Canada: In 2025, the revenue in the Smartphones market in Canada amounts to US$6.0bn. Definition: Smartphones are mobile devices that combine the functionality of a computer with the ability to make phone calls.
10GB in the plan. 15GB bonus for Valentine's Day. No additional details provided. Valentine's Day Offer: 30GB Plan with TikTok Price: R$ 69.90 per month Unlimited applications: TikTok Instagram Facebook Whatsapp Waze 10GB in the plan. ...
In our forecasts, we apply diverse forecasting techniques. The selection of forecasting techniques is based on the behavior of the relevant market. For example, the S-curve function and exponential trend smoothing are well suited for forecasting electronic products due to the non-linear growth of ...