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閱讀下面短文，根據(jù)短文內(nèi)容及首字母提示補全文中所缺的單詞, 答案寫在題后的橫線上。

As teenagers, you have many dreams. These dreams can be very big, such as winning the Nobel Prize, or they can be small. You may just want to become one of the top ten students in your c 【小題1】 .
Once you find a dream, what do you do w 【小題2】 it? Do you ever try to make your dream real?
Follow Your Heart by Australian writer Andrew Matthews tells us that m 【小題3】 our dreams real is life’s biggest challenge.
You may think you’re not very good at some school subjects, or that it is impossible for you to become a writer. These kinds of thoughts prevent you from reaching your d 【小題4】 , the book says.
In f 【小題5】 , everyone can make his dream come true. The first thing you must do is to remember the dream in your mind.
D 【小題6】 let it leave your heart. Keep telling yourself what you want. Do this step by step and your dream will come true faster because a big dream is made up of many small o 【小題7】 . Please never give them up.
There will be difficulties on the road to your dreams. But the biggest comes from yourself. You need to d 【小題8】 which is the most important. Studying instead of w 【小題9】    TV will lead to better exam results, while saving five yuan instead of buying an ice cream means you can buy a new book. As you get c 【小題10】 to your dream, it may change a little. This is good as you have the chance to learn more skills and find new interests.

1.If you have only three dollars, what food can you buy?

A．A chocolate        B．An egg sandwich    C．A hot dog         D．An apple pie

2.Jeff has ordered a hamburger, a large orange juice and two apple pies. How much will he have to pay?

A．$13.95.           B．$ 13.75.           C．$ 13.65.           D．$ 9.80.

3.If you want to eat healthily, which is the most proper(恰當(dāng)?shù)? meal?

A．Some vegetables, sandwiches and fresh fruit. B．Lots of chocolate and some coffee.

C．Some fresh fruit and lots of ice-creams.       D．Nothing but meat.

Recent research from the Pew Internet Project suggests that 90% of Americans aged from 12 to 17 use the Internet, and 51% of those teens use social networks. However, there are many possible problems with social networking sites and the teenagers who use them.
Apart from the social advantages, social networking sites can be used to record school research, develop artistic talents and experiment with other forms of subject creation. They provide a way to communicate with others who share the same interests and to get helpful advice on ongoing projects.
Along with these advantages come some dangers. For example, most social networking sites are open to all, especially MySpace, which is the most popular social network among teens in America. It means that they could be put in unpleasant and frightening situations.
A greater danger is that teens may become objects of the people with secret purposes. The secrecy of some social networking sites makes it easy for dangerous people to find young teens and invite them into dangerous conversations. It’s easy for them to pretend as teens and draw children into dangerous real-world communication as well. Then further hurt might be on its way.
Another danger is identity stealing, which can happen when teens share too much information about their names, dates of birth and locations.
Therefore, it’s very important to make sure teens are safe when they use social networks.
Many of the same rules that work for online chat work for these sites:
※ Don’t use your real name.
※ Don’t give out personal information to people you don’t know. A last name and a town are enough for a bad guy to find where you are.
※ Don’t believe that people are who they say to be.
※ Immediately end any communication that makes you uncomfortable and report it to a parent.
Only if you are sure of your safety, can you enjoy the fun brought by social networking. Besides, trying to deal with all problems on your own can lead to terrible results. Remember, asking your parents or school officials for help doesn’t mean you are unable to do anything but wiser than many others.                                             
【小題1】How many dangers of using social networks are mentioned in the passage?