阅读短文，根据要求完成下列各题。

Cars are important part of life in the USA．（1）Without cars most people feel that they are not rich enough． And even though a person doesn't have much money, he doesn't really feel that when he has a car．

Do you know anything about Henry Ford? He first started to make cars in large numbers．Maybe he didn't know how much the car was going to be to American culture．（文化）．The USA was made a country on wheels（轮子）by the car．（3）And it helped make the USA what it is now．

（4）车在美国变得相当普及 （5）Americans like to move around in cars． With a car people can go to any place even though they don't have a lot of money． Of course, if you don't have a car, you can still make easy trips because the traffic in the USA is convenient（方便）and comfortable．

1．把句子（1）改成含有if的从句______________．

2．Who first started to make cars in large numbers? ______________．

3．把第（3）句翻译成汉语。______________

4．将第（4）句翻译成英语______________．

5．就画线部分提问______________．

Many Children use the Internet to get useful knowledge and information，and to relax in their free time   1     Here are some rules to make sure you are safe and have fun on the Internet．

    ●   2     For example，when you can go online，for how long and what activities you can do online．

    ●Don’t give your password to anyone else．And never give out the following information：your real name，home address，age，school，phone number or other personal information．

    ●Check with your parents before giving out a credit card number．

    ●Never send a photo of yourself to someone in e-mail unless your parents say it’s OK．

    ●   3    Different chat rooms have different rules and attract different kinds of people．You and your parents will want to make sure it’s a right place for you．

    ●Never agree to meet anyone you meet on the Internet without your parents’ permission．   4    Always remember that people online may not be who they say they are．Treat everyone online as if they were strangers．

     If something you see or read online makes you uncomfortable，leave the site．Tell a parent or teacher right away．

    Remember-not everything you read on the Internet is true．

    任务一：根据短文内容，把下列方框中的四个句子，分别放回到文中第1，2，3，4的空白处，使短文意思完整。

    5．Never send a photo of yourself someone in e-mail unless your parents say it's OK．(请用not…until改写此句)

    6．Always remember that people online may not be who they say they are．Treat everyone online as if they were strangers．(请将这两句话翻译成汉语)