Trees are useful to man in many very important ways.The first important way is that they provide man with food, wood and other products(产品).Trees provide not only man with food, but also many animals with food Without trees many animals could not live on the earth.It’s not easy for man to live on the earth, either.
The second important way is that trees give us shade.On a hot summer day, people are eager(渴望)to have a rest under the shade of a tree after they have walked a long way.You can imagine(想象)how important the shade of a tree is to man and to animals.
The third important way is that trees help to prevent drought(旱灾)and floods.However, in many parts of the world, man has not realized(意识到)the third important way.He has cut trees down in large numbers.In the end, he finds that he has lost the best friends he had
(1)
How many important ways are trees useful to man in this passage?
[ ]
A.
2
B.
3
C.
4
D.
5
(2)
Which sentence is TRUE?
[ ]
A.
Trees give food to both man and animals.
B.
Trees only provide animals with food
C.
Trees give food to neither man nor animals.
D.
Trees only provide man with food
(3)
On a hot summer day, ________.
[ ]
A.
people are eager to have a rest
B.
people usually walk a long way.
C.
animals don’t need any shade
D.
the shade of a tree is very important to man and to animals
(4)
In many parts of the world, man has not realized that trees help to ________.
[ ]
A.
give us food
B.
give us shade
C.
prevent drought and floods
D.
give us wood
(5)
In this story, the underlined word“He”means ________.
Many earthquakes(地震)happen without warning, so it is important to know what to do wherever you are during an earthquake.Here are some top tipson how to stay safe in an earthquake.
?Keep a cool head.Worry may make bad decisions.Think about what you should do.The first several seconds are important.
?If you are indoors during an earthquake, hide under a heavy desk and protect your head.Stay away from windows and anything that could fall on you.
?If you are in a crowded hall away from the door, don't rush to the exit.You will find too many people trying to get out at the same time.Instead, hide under a desk or a table.Do not get into a lift during an earthquake!
?Stay in a safe area until you are sure it's OK to leave.Some aftershocks(余震)may follow an earthquake.These are as dangerous as the earthquake.
?If you are at home and you smell gas, open a window and leave the building quickly.
?If you are outdoors, find a clear place away from buildings, trees, street lights and power lines.
?If you are buried in debris(埋在废墟), you may make noises by knocking at the rocks.Shouting will use up your energy.You could be without help for up to 72 hours.Try to find some water and food.These are important for you.
(1)
The underlined words“top tips”mean ________'
[ ]
A.
useful advice
B.
boring news
C.
interesting stories
(2)
If you are in a crowded hall away from the door when an earthquake happens, you mustn't try to get out because ________.
[ ]
A.
it's more dangerous outside
B.
you may lose the way
C.
people may hurt each other when rushing out at the same time
(3)
Which one is right during an earthquake?
[ ]
A.
If you smell gas, stay at home and wait for help.
B.
Hiding under a heavy desk if you are indoors.
C.
Using the lift to go downstairs.
(4)
You should ________ if yo, u are buried in debris.
[ ]
A.
find a clear place
B.
keep shouting for help
C.
catch people's attention by knocking at the rocks
(5)
From the passage we know that ________.
[ ]
A.
keeping a cool head is very important during an earthquake
B.
we can hide under the tree during an earthquake
C.
we needn't care about aftershocks
阅读理解
Do you know Eskimos?Let me tell you something about their lives:
Eskimos live near the North Pole.There are only two seasons there,winter and summer.There is no spring or autumn.The winter nights are long.You can't see the sun for more than two months,even at midday.The summer days are long.For more than two months,the sun never goes down and there's no night.
Eskimos have warm clothes.They make their clothes from the skins of animals.From skins they make coats,caps and shoes.
Near the North Pole trees can't grow.for it is too cold there.The Eskimos have to make their houses from skins,snow or stones.When they go out in storms and can't get back home they make houses of snow,they leave these snow houses when the storm is over.
Life is hard for the Eskimos,but they still like to live there.
(1)
Near the North Pole there are ___________ in a year.
A.two seasons梬inter and summer
B.two seasons梥pring and autumn
C.four seasons
D.two seasons sometimes and four seasons sometimes
[ ]
(2)
How long does the longest day or night last near the North Pole?
A.24 hours. B.Over a week. C.A month.D.Over two months
[ ]
(3)
Eskimos use skins to make ___________.
A.clothes B.houses C.trees D.both A and B
[ ]
(4)
There are no ___________ near the North Pole.
A.days B.nights C.trees D.animals
[ ]
(5)
Eskimos make houses of snow to protect(保护) themselves from ___________.
A.animals B.storm C.snow D.rain
[ ]
阅读理解
Yellow,orange,red and green梩ree leaves make autumn a colourful time!Who paints all these colours?It is the leaves themselves.Inside a leaf,there are millions of little colour
'bags'.They ale green,yellow and orange.The green ones are called chlorophyll (叶绿素).The yellow ones are called xanthophylls(叶黄素).The orange ones are carotene(胡萝卜素).
In the summer,the green chlorophyll is very,very busy.It makes food for the tree.It catches sunlight to change water and carbon dioxide(二氧化碳) into sugar.This sugar is the food for the tree.It is so busy that it covers up all of the other colours in the leaf.
When the weather grows colder in autumn,there is less light and water for trees.The trees will have a rest and get ready for winter.They've made enough food in summer.The leaves no longer need water to make food.
Without the water,the green chlorophyll starts to go away.The other colours in the leaf梩he yellow xanthophylls and the orange carotene come out.So,the leaves don't really turn a certain colour梩hey just lose their green!
But how about the red,purple and green leaves?The leaves look red or purple because they have some sugar in them.They steal some food from the tree!The green leaves are from the evergreen trees(常青树).The evergreen trees stay green all year long.Their leaves don't lose water in winter.
(1)
The tree leaves have the following colour 'bags' except(除了)________.
A.red B.yellow C.orange D.green
[ ]
(2)
In the summer,the green chlorophyll ________.
A.leaves the tree leaves B.works hard for the tree leaves
C.steals food from the tree D.has lots of sugar in it
[ ]
(3)
In the autumn,the tree leaves turn yellow or orange because ________.
A.they have enough air in them
B.the green chlorophyll is busy working
C.they have too much sugar
D.the green chlorophyll stops working and goes away
[ ]
(4)
Which of the following is true according to the article?
A.Tree leaves no longer make food in autumn.
B.The yellow xanthophylls makes food for the tree.
C. The evergreen trees stay green all year long because they always need food.
D.Tree leaves may look red or purple because they don't have sugar in them.
[ ]
(5)
We can infer from the article that ________.
A.tree leaves are beautiful B.trees can clean the air
C. trees use too much water D.sugar is food for trees