One after another，telecommunication giants such as Huawei，Samsung and Qualcomm have announced their latest fifth generation （5 G） products with Huawei mate X and Samsung's Galaxy Fold attracting most eyeballs．
   The telecom giants have also announced that technology would be widely used by 2020，causing some experts to say the "5 G epoch" is coining．Yet，when reporting about 5 G，many reporters have described it as a ''much faster" technology than 4 G without mentioning any of its other advantages．As a result，the common public idea about 5 G is that they could "download a huge movie within one second" Beyond that，most people know nothing about 5 G．
   Actually，5 G technology has many more advantages than 4 G apart from speed．According to 3 GPP，an international standardization organization，5 G technology can be used for at least three purposes- for connecting everything，reliability（可靠性） of connections，and removing delays．
   "Connecting everything" is a proper slogan for 5 G technology，without which the Internet of Things would be impossible．For example，self-driving cars contain several kinds of sensors．such as radar，computer vision，and GPS to identify driving routes，obstacles and road signs．5 G technology will link all the elements of a transportation system，such as traffic lights，CCTV cameras and，of course，cars to build up perfect coordination so they can avoid obstacles and move on driving routes，which will help strengthen self-driving technology．
   Reliability of connections is another key characteristic of 5 G technology，whose use can be spread to other fields where high safety standards are required．For example，in certain surgeries（外科手術(shù)） doctors put nano-robots inside a patient's body and have to keep constant control over the robots to ensure they work well and do not cause any harm to the patient．This is an area where 5 G technology can be of great help，as it can build up reliable and continuous connections between the monitor and the nano-robots．
   And removing delays might come in handy especially in online games．Even long after 4 G technology was introduced，players continued to complain about losing games because of low speed．This problem can be solved with 5 G technology，because it will ensure continuous high speed．
     And for those people who think that 5 G costs will be very high，they need not worry．The cost problem can be solved in two ways．
   First，factories can produce more micro base stations，which not only occupy less space but also cost less．And second，many more terminals （終端） can use a 5 G base station compared with a 4 G base station．The more terminals using a 5 G base station，the lower cost each of them have to pay．Therefore，5 G technology won't be as costly as you thought．

（1）How does 5 G technology help improve self-driving technology？

B

B

A．It clears the obstacles for the cars．
B．It connects every part of a transport system．
C．It makes the self-driving car run much faster．
D．It controls the traffic lights and CCTV cameras．
（2）What is the use of 5 G technology in certain surgeries？

D

D

A．it ensure high speed for the robots．
B．It helps the robots do the surgeries without doctors．
C．It enables doctors to put nano-robots inside a patient's body．
D．It makes the connection between the monitor and the robots better．
（3）What does the underlined expression ''come in handy" in paragraph 6 mean？

B

B

A．Be fast．
B．Be useful．
C．Be special．
D．Be continuous．
（4）Factories can produce more micro base stations so that

A

A

．
A．people can pay less for 5 G
B．5 G can be compared with 4 G
C．the "5 G epoch" can come sooner
D．more terminals can use a basic station
（5）What's the best title for the passage？

D

D

A．The "5 G Epoch" is Coming
B．5 G - Less Cost with Higher Speed
C．The Latest Fifth Generation Products
D．5 G Technology Is More than about High Speed