The world itself is becoming much smaller by using modern traffic and modern communication means. Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of the biggest is pollution. To pollute means to make things dirty. Pollution comes in many ways. We see it, smell it, drink it and even hear it.

    Man has been polluting the earth. The more people, the more pollution. Many years ago, the problem was not so serious because there were not so many people. When the land was used up or the river was dirty in one place, man moved to another place. But this is no longer true. Man is now slowly polluting the whole world.

    Air pollution is still the most serious. It's bad for all living things in the world, but it is not the only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us angry more easily.

    Many countries are making rules to fight pollution. They stop people from burning coal in houses and factories in the city, and from putting dirty smoke into the air.

    Pollution by carbon dioxide is now the most dangerous kind of air pollution. It is caused by heavy traffic. It is true that if there are fewer people driving, there will be less air pollution.

    The earth is our home. We must take care of it. That means keeping the land, water and air clean. And we must take care of the rise in population at the same time.

Day 1

    I first heard of “Show Racism (种族歧视) the Red Card” when my friend Jill asked me to support their work. Basically, it's an organization which uses professional (职业的) footballers to help fight racism in sport and society. A few weeks later, he asked me if I wanted to do a bit more for them. I thought he probably meant for me to give money or do some voluntary work. But then he told me that a group of about 20 people were getting sponsored (赞助) to play the highest ever game of rugby (橄榄球) at 5,140 meters on Mount Everest.

Day 4

    We're making our way up to the base camp — that's where most climbers start their final climb to the top — and then, we'll play our game. Today we started out at 8 am. We had to cross three suspension bridges (悬索桥). One of them was so high that you couldn't see the bottom. Then we walked through some beautiful forest areas before we started a two-hour uphill hike to Namche Bazaar.

Day 10

    Base camp is basically just a lot of stones and tents. The walk up was really exhausting. Maybe if I was fitter, I wouldn't find this so hard, but then it was not just me — all of us got very short of breath.

Day 11

    Today we played our game. It was supposed to be a “friendly” game, and last night, we had agreed we'd just walk and not run. However, it was a really heated game and two players were even sent off. We only played for 14 minutes. I think someone would have got hurt if we'd played any longer! My team won and I scored the last try! Of course, none of this matters. What's really important is that we did it and we've raised a load of money.

    Mother's Day is a time of memory and celebration for Mom. The earliest Mother's Day celebrations date back to ancient Greece in honour of Rhea, the Mother of Gods. During the 1600s, England celebrated a day called “mothering Sunday”. Celebrated on the fourth Sunday of Lent(四旬斋)，“mothering Sunday” honoured the mothers England.

    During the time many of the England's poor worked as servants for the wealthy.AS most jobs were located far from their homes, the servants would live at the houses of their employers. On Mothering Sunday, the servants would have the day off and were encouraged to return home and spend the day with their mothers. A special cake, called the mothering cake, was often brought along.

As Christianity(基督教) spread throughout Europe, the celebration changed to honour the “Mother Church”—the spiritual power that gave them life and protected them from harm. Over time the church festival combined with mothering Sunday celebration. People began honouring their mothers as well as the church.

    In the United States Mother's Day was first suggested in 1872 by Julia Ward Howe as a day devoted to peace. Then in 1907 Ana Jarvis, from Philadelphia, began a campaign(运动) to establish a national Mother's Day. Ms Jarvis persuaded her mother's church in Grafton, Virginia to celebrate Mother's Day on the second anniversary of her mother's death, the 2nd day Sunday of May. By the next year Mother's Day was also celebrated in Philadelphia.

    Ms Jarvis and her supporters began to write to ministers, businessmen, and politicians demanding to establish a national Mother's Day. It was successful as by 1911 Mother's Day was celebrated in almost every state. President Woodrow Wilson, in 1914, made the official announcement that Mother's Day was a national holiday and it was to be held each year on the 2nd Sunday of May.

    While many countries of the world celebrate their own Mother's Day at different times throughout the year, there are some countries such as Denmark, Finland, Italy, Turkey, Australia, and Belgium which also celebrate Mother's Day on the 2nd Sunday of May.

Volunteer with ICS and make a difference in 2019

    Raleigh International are looking for young people to volunteer overseas with ICS, development program which is fully funded by the UK Government, ICS aims to bring about three things: project impact, volunteer personal development and the creation of active citizens.

    •Aged 18-25 Apply as a volunteer. Placements last 10 weeks.

    •Aged 23-35 Apply as a learn leader. Placements last from 14 weeks to 8 months.

    Your impact

    •With Raleigh ICS, you will focus on improving people's access to water and health care, or supporting women and young people to set up small businesses in order to improve community development.

    •You will contribute to sustainable development and make a real difference to the lives of people living in poverty.

    What's in it for you?

    •It won't cost you a penny.

    Your flights, visas, vaccines, training,food, medical insurance and accommodation are all covered.

    •You'll have a completely unique experience.

    Living with a host family for 10-12 weeks, experiencing a new culture and working with local volunteers, you'll be part of the community.

    •You'll be more employable afterwards.

    •You'll gain teamwork, leadership and communication skills, which will make you stand out and set you up well for whichever career you choose.

    Interested? Apply online today.

    Requlrements

    •You'll need a positive attitude, commitment, and drive to make a difference.

    •You must be a UK or EU/EEA citizen and have lived in the UK for at least 12 months.

    •You'll be asked to raise a minimum of £800 to demonstrate your commitment to the program.

Crocodiles today look very similar to ones from 200 million years ago. There are also very few species alive today—just 25. Other animals such as lizards (蜥蜴) and birds have achieved a diversity of many thousands of species in the same amount of time or less.

Prehistory also saw types of crocodile we don't see today, including giants as big as dinosaurs, plant-eaters, fast runners and snake-like forms that lived in the sea. The rate of their evolution is generally slow, but occasionally they evolve more quickly because the environment has changed. In particular, their evolution speeds up when the climate is warmer, and their body size increases.

The body size of crocodiles is important because it interacts with how fast animals grow, how much food they need, how big their populations are and how likely they are to become extinct. The limited diversity of crocodiles and their apparent lack of evolution is a result of a slow evolutionary rate. It seems the crocodiles arrived at a body plan that was very efficient and perfect enough that they didn't need to change it in order to survive. This perfection could be one explanation why crocodiles survived Cretaceous period (白垩纪), in which the dinosaurs died out.

Crocodiles generally develop better in warm conditions because they cannot control their body temperature and require warmth from the environment. The climate during the age of dinosaurs was warmer than it is today, and that may explain why there were many more varieties of crocodiles than we see now. Being able to draw energy from the sun means they do not need to eat as much as a warm-blooded animal like a bird or a mammal (哺乳动物).

Teamwork Doubles the Strength

Admittedly, teamwork is literally important for any class or team to achieve its goals and objectives. Let me give three reasons why it is advantageous.

As individuals, we possess diverse talents, strengths, weaknesses and experiences. A team is just like a tapestry（织锦） that weaves what each of us possesses, resulting in an end product that is diverse yet homogenous（同种类的）. As team members exchange thoughts and experiences, there can be more efficiency and effectiveness at problem-solving. This pooling of talents can also lead to greater innovation and success. {#blank#}1{#/blank#}. It won the Premier League in 2016, to the utter disbelief of many soccer fans. Leicester City, previousl regarded as the underdog of the League, displayed extremely impressive teamwork, which led to its unbelievable victory in soccer history.

Next, teamwork means members share the workload. When work is distributed and each of us in a team specializes in specific tasks, the stress on each of us is reduced and the completion of tasks before deadline is ensured: {#blank#}2{#/blank#}

 {#blank#}3{#/blank#}. Team members learn from more experienced members who may offer deeper insights and perspectives. Newer members may also contribute new ideas. Besides encouraging the sharing of knowledge and experiences, teamwork also develops soft skills like communication and interpersonal skills. {#blank#}4{#/blank#}.

Some may think that working in isolation（单独） is more efficient since more time is taken when cooperating with others. For more talented individuals, working alone means being the star of a project. {#blank#}5{#/blank#}. But, the loss of synergy（协同作用） that only team effort can generate may also prevent the team from reaching its full potential.

A．Take Leicester City for example

B．Thus we can expect greater job satisfaction

C．Team members can also be divided in opinions

D．They don't need to share the success with others

E．Let's not wave away the chance to work in teams

F．And finally working in a team multiplies learning opportunities

G．We learn to respect differences in working styles and opinions, and develop trust