7.Do you know how important it is to have breakfast?A study of 2,000 teenagers in the US showed that eating breakfast daily is helpful to young people.
    According to the study,teenagers who eat breakfast weigh around 5 pounds less than teenagers who do not.Although they take in more calories (卡路里) in the morning,they are more active during the day because they have more energy.This means they burn more calories than non-breakfast eaters.The breakfast does not even have to be very healthy,as eating anything is better than nothing.
    The study also showed that eating breakfast keeps teenagers feeling full for longer,so they will not eat too many snacks (零食) later in the day.This is goo d news as most popular snacks,like sweets and potato chip s,are usually unhealthy and full of calories.
    Another big advantage of eating breakfast is that it helps teenagers do better at school.This is because it gives them more energy to keep their attention in class.
    What's more,a study in the UK showed that adults (成年人) who eat breakfast daily put on less weight and also perform better at work.
    Whatever your age is,take time to have breakfast every day.
48.The underlined sentence in Paragraph 2 means thatA.
A.teenagers should eat something for breakfast
B.breakfast helps teenagers do better at school
C.breakfast must be healthy with lots of calories
D.the energy makes teenagers active the whole day
49.Having breakfast daily makes the teenagersA.
A.eat fewer snacks              
B.pat on more weight
C.relax themselves              
D.burn less calories
50.The passage is mainly aboutC.
A.the importance of snacks             
B.how the adults perform at work
C.the advantages of having breakfast    
D.losing weight without breakfast
51.We can probably read this passage in a (an)B
A.story book                   
B.health magazine
C.movie poster                
D.instruction book.
5.(106)BThe answer for most people would be yes.But where does our rubbish go?
It doesn't just sit in the rubbish bin.Every day,workers come to take the rubbish from our rubbish bins.They put it into a big truck and carry it to landfills (垃圾填埋场).At the landfill,people sort(分类)the rubbish.They recycle some,burn some and bury(埋)some of it underground.(107)DIt means that less rubbish ends up in landfills.Landfills can also be bad for the environment.
So many Chinese cities encourage everyone to sort out their rubbish before throwing it away.Put the food in one bag.Put the plastic bottles in another.And throw them in the right rubbish bins.In this way,we can help save a lot of time,money and energy for all of society.
(108)ESo they have higher recycling rates(比率).In Sweden,only 4 percent of household waste ends up in landfills every year.In Japan,people recycle nearly 50 percent of all rubbish.
There is still a lot to do when it comes to rubbish sorting in China.People in the country make about 300 million tons of rubbish every year.(109)AThe rest of it ends up in landfilols.Most of it is unsorted.The good news is that many cities are trying different ways to make things better.Beijing will start a new program to improve rubbish sorting next year.If people sort out their rubbish,they'll get WeChat bonus points.(110)G.

A.But they only recycle less than a quarter of the waste.
B.Did you throw something away today?
C.Most foreign countries do not have sorthing systems.
D.The more rubbish gets recycled,the better.
E.Many foreign countries have good sorting systems.
F.Parents should educate kids to throw away less food.
G.They can exchange the bonus points for shopping cards!
19.What are you going to do if you are in a burning house?How will you escape?Do you know how to save yourself?Please read the following passage.
Escaping from a fire is a serious matter.Knowing what to do during a fire can save your life.his important to know the ways you can use and show them to everyone in the family,such as stairways(楼梯)and fire escapes,but not lifts.
From the lower floors of the buildings,escaping through windows is possible.Learn the best way of leaving by windows with the least chance of serious injury(受伤).
The second floor window is usually not very high from the ground.Of course,it is safer to jump a short way than to stay in a burning building.
Windows are also useful when you are waiting for help.Be sure to keep the door closed.Or smoke and fire may be drawn into the room.Keep your head low at the window to be sure you get fresh air rather than smoke that may leak(渗)into the room.
On a second or third floor,the best windows for escape are those that open onto a roof.From the roof a person can drop to the ground more safely.Dropping onto hard ground might end in injury.Bushes(灌木丛)and grass can help to break a fall(使势头减弱).
61.It is important toC.
A.put out the big fire in the burning house
B.jump off a high burning house
C.know the ways to escape from the fire
D.keep the door open
62.From Paragraph 3,we know that it is possible to escape through the windowsB
A.if there are no bushes on the ground
B.if you live on a lower floor
C.if you live on a higher floor
D.if you have no rope
63.Which of the following escaping way is NOT right?D
A.You can escape through stairways.
B.You can choose fire escapes.
C.Escape from the windows that open onto a roof.
D.Use a lift to come down at once.
64.Of course,it isA to jump a short way than to stay in a building on fire.
A.safer    B.easier
C.more dangerous    D.more difficult
65.The best title of the passage isD.
A.Escaping from the Windows    B.Waiting for Help
C.Knowledge on Fire    D.Saving Yourself in the Burning House.
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