Beijing-Shanghai Railway was completed in J968.The line runs1,462 km between China’s two main cities and passes through five provinces and the city of Tianjin.

    Since opening,it has been one of the busiest routes in our country.The Beijing—Shanghai route is now served by 10 trains a day.Five of which are non-stop.The journey time is just under 12 hours.Now trains are allowed to travel at 250 kph(kilometers per hour)and the journey time is only 10 hours.

    With the sixth railway,speedup.China has Joined the ranks(行列)of countries with high—speed rail services.Trains are able to run at speeds of 200 kph on some 6,003 km of track (轨道),and on some sections,the highest speed can increase to 250 kph.The 6,003 km of track serves both high-speed passenger trains and low—speed cargo(货物)trains.

    Railway operators have to deal with the problem of the speed gap(差距)between the two kinds of trains to make sure they both run safely.

根据短文内容,选择正确的答案。

1.The Beijing-Shanghai Railway line runs 1,462 kilometers,doesn’t it?

A.Yes.it does    B.No,it doesn’t    C.it’s very far    D.We don’t know

2.How many times have the trains been speeded up so far?

   A.Five.    B.Six.    C.Seven.    D.Eight。

3.When tile Beijing-Shanghai train Flirts at 250 kph,the passengers spend ________ on the train.

  A.ten hours    B.twelve hours    C.one day    D.two days

4.Which of the following sentences is TRUE?

   A.Only one train is served on the6,003 km of track.

   B.Beijing-Shanghai Railway passes through six provinces

   C.All of the trains run without any stops on Beijing-Shanghai Railway.

   D.Since opening,Beijing-Shanghai Railway has been one of the busiest routes in China.

5.The passage above is probably from __________.

   A.a story-book      B.a dictionary    C.a newspaper    D.an advertisement

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。

A.Never meet anyone you meet online a alone.

B.Check with your parents before going into a chat mom.

C.But some of them are not using it in a good way.

D.Make rules for using the Internet with your parents.

    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)

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