Have you ever seen blue ice cream topped with black fruits? That sounds foreign and not delicious at all! That’s the power of colors.It could either make your dinner more delicious or spoil(搞糟)the whole table.

    Scientists have found that blue may make people lose appetite.If you don’t want to eat too much at your classmate’s birthday party,put your cake on a blue plate.You’ll stop eating soon.

    Why is it that people don’t feel like eating when they see blue? It’s all in their mind.

    People relate the color of food they see with food in their memory.But where does one find blue food? There are almost no blue leafy vegetables and no blue meat.So people get a “foreign” or “strange” feeling about the food itself.

    Also,people naturally try to avoid being poisoned(中毒).For thousands of years,blue.purple and black were “color warning signs”.Foods of these colors are most probably poisonous.

    Then what are tasty colors? Scientists say people feel like eating more when they see red and colors close to it.These fire people’s hunger neurons(神经元)and make the blood run faster.

    So what should go into dishes? You need to think it over before helping your mum with dinner.

1.In Chinese,the underlined word “lose appetite” is _____________________________.

2.If you put your food on a blue plate,you’ll __________________________.

3.People think that __________________________ are dangerous signs.

4.People may eat more when __________________________ because they fire people’s neurons and make the blood run faster.

5.The title of this massage should be __________________________.

Life is difficult

    It is a great truth because once we truly understand and accept it.Then life is no longer difficult.

  But life is no longer difficult when we truly understand and accept(接受)it.Most people do not fully see this truth.Instead,they complain about their problems and difficulties.They think life should be easy.

    What makes life difficult is the process(过程)of facing and solving problems.Problems make us sad,lonely or angry.These are uncomfortable feelings.Since life has lots of problems,it is always difficult and full of pain and joy as well.However,when we successfully solve them,we can feel that life is very interesting and pleasant.

    Problems are serious tests that can tell success from failure.In school we set problems for the students and encourage them to learn well.We learn through the pain of meeting and working out problems.For this reason.wise people learn not to fear(畏惧)but to deal with the difficulties in their life.

1.                         who have problems complain their life is hard.

2.                          are unpleasant feelings.

3.If people Can understand life and face it, maybe they think                

4.The Last sentence“wise”can be translated into Chinese               

5.From the passage,We know that                             

Beijing-Shanghai Railway was completed in l968.The line runs 1,462 km between China’s two main cities and passes through five provinces and the city of Tiajin.

Since opening,it has been one of the busiest routes in our country.The Beijing-Shanghai route is now served by lo trains a day,five of which are non-stop.The journey time is just under l2 hours.Now trains are allowed to travel at 250 kph (kilometers per hour)and the journey time is only10 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 to250 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.

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 the Beijing-Shanghai train runs 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 the 6,003 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

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