Cell phones can be life-saving communication tools to have on hand in a vehicle in case of emergency.     1    , actually using a cell phone while driving may be life threatening. Many different studies   have shown that when drivers use a phone while driving, it can be very     2    ( danger). At some point during the use of a cell phone, a driver’s eyes are sure to be distracted from the road.

Studies have shown that new drivers are   especially likely     3    (have) an accident when they use a cell phone while driving. The reason for this is    4    new drivers have less experience in focusing     5    driving during distractions. Also, several studies     6    (do) on teen drivers found   that   many   teens   send text     7    (message) while driving, which is thought to be more distracting and at risk.

All drivers, not just teens or other new drivers, who use a cell phone while driving     8    (say) by studies to be at least four times    9    (much) likely to be at risk than drivers who don't use a phone behind the wheel. Such studies have inspired many countries,     10    (include) the United States, to have at least some bans on hand-held cell phone use while driving. However, many people feel that these restrictions are not enough because studies have also shown that hand-held cell phones are just a part of the problem.

AirCar is the latest generation flying car     1     transforms from road vehicle into air vehicle in less than 3 minutes, Useful for leisure and self-driving     2    (journey), the vehicle can go from driving to flying mode with the click of a button. The fifth generation flying car designed by Professor Stefan Klein     3     (complete) two flight tests at Piestany airport in Slovakia so far.

The two-seat AirCar,     4    (weigh) 1,100kg, can carry an additional load of 200kg per flight.     5    (drive) by a BMW 1.6L, engine, the car-plane has an effective power output of 140HP. The estimated travel range of the vehicle is 1,000km and the flight     6     (consume) is 18 liters (升) per hour. AirCar can transform from a ground-based vehicle to aircraft with its speed     7    (reach) up to 200 km/h. But most importantly, the stability and controllability of the AirCar is     8    (access) to any pilot.

“With AirCar you will arrive at your destination     9     the trouble of getting a ride to airport and passing through commercial security. You can drive your AirCar to the golf course, the offices, the shopping centre or your hotel and park     10    in a normal parking space,” said Anton Zajac, Klein Vision’s co-founder，investor and pilot.

Chinese telecom giant Huawei on Wednesday     1     (official) launched its operating system Harmony OS 2 for smartphones,     2     (provide) customers worldwide with a competitive alternative that works on a diverse range     3     devices. Harmony OS, or Hongmeng in Chinese, is     4     open-source operating system     5     (design) for various devices and scenarios. It was first lunched on Internet-of-Things (IoT) devices, including     6     (wearable) and tablets, in August 2019.

“We     7     (surround) by more and more smart devices these days, and are now in a world     8     all things are connected,” said Richard Yu, CEO of Huawei’s Consumer Business Group. “Every single one of us     9     (be) a part of this fully connected world, as is every device.” “We look forward to working with more partners and developers     10     (build) a thriving HarmonyOS ecosystem,” he said.