【推荐2】The Smilodon and the Tiger

The smilodon (剑齿虎) died out probably about ten thousand years ago._______it is also known as the saber-toothed tiger, it was not a_______relative of the modern tiger. The more scientists_______the two big cats, the more_______they find.

Tigers are not_______animals. They generally travel by themselves. The smilodon, on the other hand, probably_______in groups. Tigers run fast while_______their prey (猎物). But the smilodon, with much_______tails than today’s tigers, did not have the balance to run at_______speeds. It probably caught its prey by________quietly until an animal came near. Then, the smilodon would________its prey.

Another main difference between today’s tiger and the smilodon is the size of the smilodon’s________. It is known as a saber-toothed cat________two huge teeth that grew from the top of its jaw (颌). These teeth grew up to nearly 18 cm long and were easily________and damaged. The smilodon probably used the teeth to bite into________parts of its prey’s body, such as its stomach. A modern tiger's teeth are much smaller, but they are________.

The smilodon lived in North and South America from about two million years ago until about ten thousand years ago. Tigers,________, still exist today and live in eastern and southeastern Asia. No one knows for sure why the smilodon________. However, scientists do know that many of today’s tiger species are in danger of________because of human activity. So it is important to________tigers and many other animals.

【推荐3】How to Release Anger the Right Way

Anger is a feeling that many of us know all too well. Some of us experience it daily, ,______others hold on to it for years at a time. As you likely know, angry is not a healthy ,______. Over time it can become self-destructive,______relationships and even your health.

This is not to say that anger is always a ,______thing—anger is a natural part of living；it is a,______that something is wrong. If anger is not a ,______normal and natural human emotion, it is,______important to learn and understand how to ,______anger the right way.

You can release anger the right or the wrong way. ,______whether you have an anger problem yourself or not, it is ,______for everyone to understand what the right______of releasing anger are. Transforming anger is a powerful______to take that will create positive changes in our relationships. One of the best ways to______anger is to give yourself the ,______to express anger. In fact, it is quite ,______to express your anger as long as you do it______.

Remember that anger management ,______both on mental and physical effort. Although mental therapy alone will help you ,______for releasing your anger, it can only take you so far. The same______for exercise too. However, if you ,______both mental therapy and exercising, you will then have ,______to an unbelievable positive solution. Do a particular physical activity ,______the mental intention of releasing your anger.

It might be ,______but the most important things of all to ,______is to never hurt others when you release your anger. Make sure you give yourself the______to express safely your anger, without hurting anyone else .