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     Weather changes when the temperature and the amount of water in the atmosphere changes. We can
see  and feel water coming from the atmosphere when we have rain. But the water must somehow get back to the atmosphere. Meteorologists call this the water cycle.
     There are many stages in the water cycle. Rain falls when water vapor in clouds condenses(凝结). Drops of water form and fall to the ground. The water soaks into the ground and feeds steams and rivers. A lot of rain falls into the sea. The heat of the sun evaporates some of the water in the ground and in the rivers,
lakes, and the sea. It changes the liquid water into water vapor. The vapor rises onto the air. Water vapor
is normally invisible. On a very damp or humid day, however, you can sometimes see water vapor rising from a puddle(水坑) or pond in a mist(薄雾)above the water. Water vapor also gets into the air from living things. Trees and other plants take in water through their roots and give off water vapor from their leaves. People and land animals drink water and breathe out water vapor. In all these ways the water returns to the air. There it gathers to form clouds and condenses to form rain. The rain falls to earth, and the cycle starts again. It continues even if snow or hail(冰雹) fall instead because both eventually melt to form water. The amount of water vapor in the air depends on the temperature. The air is more moist(潮湿)in the tropics(热带) than in the cold polar regions.1. What is the main idea of the passage?  A. Water cycle      
B. Water vapor  
C. How rain forms  
D. Water ,vapor, rain2. How many ways of the water returning to the air are discussed in the text?  A. Two  
B. Three  
C. Four    
D. Five3. Whether water vapor can be seen or not depends on _______.  A. how much water is evaporated    
B. how good your eyes are
C. in which way water is evaporated  
D. climate or weather4. From the passage we get to know___________.A. there is more water vapor in the air in the tropics than in cold polar regions
B. there is more water vapor in the air in cold polar region than in the tropics
C. it gets more rain in the tropics than in cold polar regions because there is less vapor
D. the amount of water vapor in the air depends on how often it rains
答案
1-4 ABDA
核心考点
试题【     Weather changes when the temperature and the amount of water in the atmosph】;主要考察你对题材分类等知识点的理解。[详细]
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阅读表达。
阅读下面的短文,并根据短文后的要求答题.(请注意问题后的字数要求)     In kindergarten your idea of a good friend was the person who let you have the red crayon when all
that were left were the ugly black ones.
     In third grade your idea of a good friend was the person who shared his or her lunch with you when
you forgot yours on the bus.
     In eighth grade your idea of a good friend was the person who helped you pack up your childhood
stuff so that your room would be a "middle school student"s" room, but didn"t laugh at you when you
finished and broke out into tears.
     In eleventh grade your idea of a good friend was the person who came to comfort you when you
broke up with someone.
      In the twelfth grade your idea of a good friend was the person who helped you pick out a university,
assured you that you would get into that university and helped you deal with your parents, who were
having a hard time to adjust to letting you go.
     At graduation your idea of a good friend was the person who was crying on the inside but managed
the biggest smile one could give as they congratulated you.
     Now , your idea of a good friend is still the person who gives you the better of the two choices; holds
your hand when you are scared; thinks of you when you are not there; reminds you of what you have
forgotten; helps you put the past behind you, but understands when you need to hold on to it a little longer; stays with you so that you have confidence; goes out of their way to make time for you; helps you clear
up your mistakes; helps you deal with pressure from others; smiles for you when you sad; helps you
become a better person; and ______, loves you!
Thank you for being a friend. No matter where we go or who we become, never forget who helped us
get here.1. What is the best title of the passage? (please answer within 10 words)
  _________________________________________________________________________
2. Translate the underlined sentence in the passage into Chinese.
  __________________________________________________________________________
3. Please fill in the blank with proper words or phrases to complete the sentence. (please answer
    within 10 words)
   ____________________________________________________________________________
4. Please find out the sentence which can be replaced by the following one.
   We will remember those who have helped us when we are in need of great help.
   ____________________________________________________________________________
5. By reading the passage, what kind of friend do you think is a good one?(please answer within 30
    words.)
题型:同步题难度:| 查看答案
阅读理解。     Like fine food, good writing is something we approach with pleasure and enjoy from the first taste to
the last. And good writers, like good cooks, do not suddenly appear full-blown. Quite the opposite, just
as the cook has to undergo a particular training, mastering the skills of his trade, the writer must sit at his
desk and devote long hours to achieving a style in his writing, whatever its purpose is-schoolwork, matters of business, or purely social communication.
     You may be sure that the more painstaking the effort, the more effective the writing, and the more
rewarding.
     There are still some faraway places in the world where you might find a public scribe to do your
business or social writing for you, for money. There are a few managers who are lucky enough to have
the service of that rare kind of secretary who can take care of all sorts of letter writing with no more than
a quick note to work from. But for most of us, if there is any writing to be done, we have to do it
ourselves.
     We have to write school papers, business papers or home papers. We are constantly called on to
put words to papers. It would be difficult to count the number of such words, messages, letters, and
reports put into mails or delivered by hand, but the daily figures must be extremely large. What is more,
everyone who writes expects, or at least hopes whatever he writes will be read,    from first word to last,
not just thrown into some "letters-to-be-read" files or into a wastepaper basket. This is the reason we
bend our efforts toward learning and practicing the skills of interesting, effective writing. 1. In this passage, good writing is compared to fine food because _______. A. both are enjoyable     B. both are hard to learn
C. both are necessary to lifeD. both take a long time to prepare2. according to the passage, which of the following statements is true?A. Writing skills are less important than experience.
B. A good writer should have his own way of writing.
C. A good writer should learn to write all kinds of articles.
D. The more efforts one makes, the more money one can earn. 3. The author thinks that the most important reason for us to practice writing skills is _______. A. to earn our living        
B. to attract others to read
C. to do daily reports easily
D. to become good secretaries4. The purpose of the author in writing this passage is to _______. A. comment and blame  
B. introduce and describe
C. explain and persuade  
D. interest and inform
题型:同步题难度:| 查看答案
阅读理解。     "All work and no play makes Jack a dull boy" is a popular saying in the United States. Other countries have similar sayings. It is true that all of us need recreation. We cannot work all the time if we are going to keep good health and enjoy life.
     Everyone has his own way of relaxing. Perhaps the most popular way is to take part in sports. there
are team sports, such as baseball, basketball, and football. There are individual sports, also, such as golf
and swimming. In addition hiking, fishing, skiing, and mountain climbing have a great attraction for people who like to be outdoors.
     Not everyone who enjoys sports events likes to take part in them. Many people prefer to be onlookers, either watching them on television, or listening to them on the radio. When there is an important baseball game or boxing match it is almost impossible to get tickets; everyone wants to attend.
     Chess, card-playing, and dancing are forms of indoor recreation enjoyed by many people. It doesn"t
matter whether we play a fast game of ping-pong, concentrate over the bridge table, or go walking through the woods on a brisk autumn afternoon. It is important for every one to relax from time to time and enjoy
some form of recreation.1. The underlined word "recreation"(paragraph 1)here means_______.A. walking and climbing B. form of play or amusement  
C. creating somethingD. joy and happiness2. according to the passage, perhaps the followings are our ordinary ways of relaxation for
    common people except______.A. listening to music              
B. playing card
C. going out for fishing        
D. boxing match 3. Which of the following statements is TRUE to the passage?A. The popular British saying mentioned in the passage has familiar doing in other countries.
B. All of us need recreation in our lives if we cannot work all the time.
C. Sometimes those who enjoy sports events like to take part in them, too.
D. It is almost impossible for everyone who wants to watch an important baseball to get a ticket.
题型:同步题难度:| 查看答案
阅读理解。     Who are these people rushing by you in the street? More than 215 million people now call America
"home", but most of them can trace their families back to other parts of the world. If you look at the
names on shop windows, you will see that Americans come from many different lands. The idea that
these people, who once were strangers to the United States, have lost the customs and cultures of their
original countries and have become "American" is really not true. In fact, what exists in America is more
often a kind of "side-by-side" living in which groups of people from other countries often have kept many
of their customs and habits. They join the general American society only in certain areas of their lives-such as in schools, business, and sports-but they keep many of their own native customs and manners socially
and at home. This living "side-by-side" has both advantages and disadvantages. Sometimes it may cause
disagreements to develop between groups whose ways of life are very different from one another.
however, there are also great advantages that come from the variety of cultures brought by settlers from
other lands. There is great freedom of choice among ideas and dress, food, and social customs in
America. Everyone can find some part of his or her familiar world in the United States, in churches, music, food, national groups, or newspapers.1. More than 215 million people call America "home" because_______.A. they have their houses there
B. they settle there now
C. they want to make their home there
D. they like that land very much2. "Side-by-side" living style means _______.A. to make friends with native people
B. to keep their own customs while sharing American ones in certain areas
C. the groups of people who live nearby
D. that they get closer to American society3. according to the passage, people in the USA ________.A. share American customs and culture
B. live in a kind of "side-by-side" society
C. keep their own customs and habits firmly
D. make no choice to accept American customs4. Which of the following statements is true?A. They always stick to their own customs and habits.
B. "Side-by-side" living style is not suitable.
C. They face the society they are not familiar with.
D. The advantages coming from the variety of cultures make life in America colorful.5. Which is the best title for this passage?A. Advantages and Disadvantages.
B. Different Customs and Habits.
C. Home for the People.
D. "Side-by-side" Living Style in America.
题型:同步题难度:| 查看答案
阅读理解。     1._____ One of the best things you can possibly do is to start your own club. It"s great fun especially
if you are the sort of person who feels there"s never anything to do during the school holidays.
    The first thing you need to come up with is an idea for your club. 2.____ Pets, clothes, pop music or
dancing groups, sports, making things? The list is endless.
    Next you need some friends to be in your club with you. 3._____ All you need is three or four other
people who are interested in the same thing as you.
    4._____ You should all sit down somewhere together with lots of pieces of paper and write down
every name you can think up. That"ll keep you busy for ages.
    At your first meeting you should make up a rule book. And the first rule should be no grown-ups or
little/big brothers or sisters! The best clubs are always secret!
    Now you have just about everything you need, except membership cards. These are very important
and again you can speed a lot of time making them. 5._____ Why not leave some space for a photo of
yourself? That will make the membership card really look like it.
    So there you are, get clubbing! Once you get started you"ll think of loads of more interesting things to
do!
A. That"s easy.
B. Enjoy your own club!
C. Invite a designer to join you.
D. What are you interest in?
E. Some vacation is just around the corner.
F. Then you need to pick a name for your club.
G. Use a bright thick pen to make a special design.
题型:同步题难度:| 查看答案
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