（以“我的理想是成为一个    ▲   ”为题，写一篇不少于60个词的短文，标点符号不占格，不记入总词数。）

Use the following questions as a guide. （下列问题仅供参考. ）

* What is your ambition？

* Why do you want to be a/an    ▲   ？

* What should you learn from now on to realize your ambition？

My Ambition Is to Be a/an    ▲  

Most people around the world are right-handed. This also seems to be true in history. In 1799, scientists studied works of art made at different times from 1,500 B.C. to the 1950s. Most of the people shown in these works are right-handed, so the scientists guessed that right-handedness has always been common through history. Today, only about 10% to 15% of the world's population is left-handed.

Why are there more right-handed people than left-handed ones? Scientists now know that a person's two hands each have their own jobs. For most people, the left hand is used to find things or hold things. The right hand is used to work with things. This is because of the different work of the two sides of the brain. The right side of the brain, which makes a person's hands and eyes work together, controls the left hand. The left side of the brain, which controls the right hand, is the centre for thinking and doing problems. These findings show that more artists should be left-handed, and studies have found that left-handedness is twice as common among artists as among people in other jobs.

No one really knows what makes a person become right-handed instead of left-handed. Scientists have found that almost 40% of the people become left-handed because their main brain is damaged when they are born. However, this doesn't happen to everyone, so scientists guess there must be another reason why people become left-handed. One idea is that people usually get right-handed from their parents. If a person does not receive the gene (基因) for right-handedness, he / she may become either right-handed or left-handed according to the chance and the people they work or live with.

Though right-handedness is more common than left-handedness, people no longer think left-handed people are strange or unusual. A long time ago, left-handed children were made to use their right hands like other children, but today they don't have to.

    Today more and more children wear glasses before going to middle school. They keep their eyes watching TV or playing computer games for a long time. Eyes are the windows of our hearts (心). We use our eyes to see everything around us, so we should know how to protect our eyes.

    Love our eyes. When we open (睁开) our eyes every day, we can see the lovely friends and parents, beautiful flowers and green trees. If our eyes don't work, how can we see the world. In our eyes, everything and everywhere is dark. It's like a house with no light (光). How important our eyes are!

    Relax our eyes. First, stop to relax 30 minutes when using the computer for an hour or two. Next, remember to do eye exercises every day. Then, looking at green trees also helps a lot. In these ways, our eyes will feel relaxed.

    Have good habits. When writing homework and reading, it is important to keep a distance (距离) of 30 cm between your eyes and books. Remember to use our eyes in a right way. Don't read in bed or on a moving bus. Eat something healthy for eyes, such as carrots, fish and eggs.

    Follow my advice (建议) and get good habits. It's time to say goodbye to thick (厚的) glasses.

难度系数：★★

How to Ride a Bicycle in Traffic

Cycling in traffic is something that seems dangerous but can be quite safe as long as you follow the rules of the road, exercise alertness(机敏) and common sense. Here are some tips for you. 

{#blank#}1{#/blank#} A helmet (头盔) won't prevent accidents. But it can protect your head from serious hurt if you are in an accident. That's why it's always safer to wear it when cycling. 

{#blank#}2{#/blank#} So always have lights if it is not very bright out, and if you cycle in the evening, reflective(反光的) clothing is a great idea. The easier you are to be seen, the less possible you are to be hit. 

If you're an inexperienced cyclist, it isn't a good idea to throw yourself in the heavy traffic. {#blank#}3{#/blank#} Pick some quiet back streets and get used to being around cars and other road traffic. Gradually build up your stamina (耐 力) on larger roads by practising on them on quiet days. 

You should always pay attention to the rules of the road. Always ride with the traffic. Stay off sidewalks, stop for red lights, stop at stop signs, and follow all other traffic signs.{#blank#}4{#/blank#} Your good habits can help improve others' safety awareness. 

Avoid doing things that will affect your ability to hear cars coming up behind you. If you need to talk on your mobile phone, stop and pull over. Don't listen to music or radio. Some cars are very difficult to hear, so you need to pay careful attention to not being run over by them. 

What do you think of these tips? {#blank#}5{#/blank#}