【推荐1】Many students study with little thought about what comes after their study session.     1     Here are some no-cost ways that can help you improve your learning.

When many students finish studying, they often go straight to another activity, like playing a video game or watching television. But research suggests that resting after you study may help you remember what you studied. This is what is called “wakeful rest”. According to the latest research, “A period of wakeful rest immediately after new learning boosts free recall of verbal material, “the research says.     2     The basic idea is this: by reducing your activity after the study session, your brain gets a chance to rest. However, resting is difficult when you have too much excitement from electronic devices, games, lights and so on.     3     Rest quietly for five to ten minutes. Do not look at your phone, read stories or play games. Just limit the amount of excitement you get. It is really that easy!

In addition to wakeful rest,     4     A person who lacks sleep cannot focus attention completely and therefore cannot learn efficiently. Also, sleep itself has a role in strengthening memory, which is essential for learning new information. Sometimes, when we first form memories, they’re in a very raw and fragile form.     5    

Now you have two suggestions for how to learn new information. Try to get some “wakeful rest” after a study session. Then try to get a good night’s sleep.

【推荐3】Festivals and concerts draw huge crowds, and are popular with people. But once a crowd reaches six or seven people per square meter, some may be crushed (挤压) against each other so tightly that they cannot move. Experts refer to such an accident as a crowd crush.     1    , so how can you increase your chances of survival in it?

First of all, try not to panic and save your energy.     2     . Stay calm and focused. If there is a crowd crush, you’ll need all the physical energy you can gather. And yelling and screaming will tire you out.

It’s best to go with the flow when the crowd is moving in one direction.     3     . If the group crowds together tightly, you will run out of air with the heavy weight over chest and the airway to your lungs will be blocked. In other words, your breathing will be prevented because of all the outside pressure.

If you fall down in a large crowd, try to get up as quickly as possible. If you can’t, get in the right position.     4    , you can protect your head and not be knocked when lying on the ground.

Crowd crushes happen at various types of gatherings around the world.     5    . With some preparations and the suggestions above, you can avoid being one of the people who don’t make it out.