A
What3 words
This free download is one of a growing quantity of smartphone apps that could mean the difference between life and death. What3Words divides the world into 3x3 meter squares, giving each one a unique combination of three words. This allows emergency services -- or anyone else you give the location to - to reach you. It is used by the vast majority of emergency services in the UK and has been credited with saving thousands of lives.
WhatsApp
Lots of us use WhatsApp for messaging and calling, but do you know it also has a Live Location feature that can let a loved one know your whereabouts in case you're in danger? You simply press the " + " key in a chat, select "Location"、 and then press “Share Live Location”, which enables any participants in the chat to see your location in real time for the duration you choose.
Stay Alive
With mental health problems on the increase, not helped by the pandemic, this suicide （自 杀）prevention app could be extremely helpful. Developed by Grassroots Suicide Prevention, it offers a wealth of resources, ranging from strategies （策略） for staying grounded when you feel overwhelmed, to breathing exercises to direct links to national and local crisis （危机） resources.
St John Ambulance First Aid
An app like this is more useful for saving someone else's life than your own, but arguably it's a must-have on your smartphone. It gives advice in dealing with emergencies, including choking, allergic reactions and performing CPR. You don't have to have an Internet connection in order to use it.
21. Which of the following apps can send your location to others?
A. What3words & WhatsApp. B. St. Ambulance First Aid & Stay Alive.
C. What3words & Stay Alive. D. St. Ambulance First Aid & WhatsApp.
22. Which of the following statements is TRUE?
A. What3 words is well-received in the UK.
B. Stay Alive is used for messaging and calling.
C. WhatsApp helps those with mental health problems.
D. St John Ambulance First Aid is specially for saving users' life.
23. What do the four apps have in common?
A. They are free of charge.
B. They need access to the Internet.
C. They help to save people's lives.
D. They deal with healthcare problems.
