The word “day” has two meanings. When we talk about the number of days in a year, we are using “day” to mean 24 hours. But when we talk about day and night, we are using “day” to mean the time between sunrise and sunset. Since the earth looks like a ball, the sun can shine on only half of it at a time. Always one half of the earth is having day and the other half night. A place is moved from day into night and from night into day over and over by the spinning（旋转）of the earth. At the equator（赤道）day and night are sometimes the same length（长度）. They are each twelve hours long. The sun rises at 6 o’clock in the morning and sets at 6 o’clock in the evening. For six months the North Pole is tilted（倾斜）toward the sun. In those months the Northern Hemisphere（半球）gets more hours of sunlight than the Southern Hemisphere. Days are longer than nights. South of the equator nights are longer than days. For the other six months the North Pole is tilted away from the sun. Then the Southern Hemisphere gets more sunlight. Days are longer than nights. North of the equator nights are longer than days. Winter is the season of long nights. Summer is the season of long days.

（   ）6.When the Western Hemisphere is having day, the Eastern Hemisphere is having ________.

　　     A. both day and night              B. day

　　     C. neither day nor night            D. night

（   ）7. A place is moved from day into night and from night into day over and over by ________ of the earth.

　　     A. the pushing                    B. the pulling

C. the spinning                    D. the passing

（   ）8. At the equator day is as long as night ________.

　　        A. sometimes     B. never       C. usually        D. always

（   ）9. When the North Pole is tilted toward the sun, the Northern Hemisphere gets ________ sunlight.

　　    A. less           B. more       C. all            D. no

（   ）10. When it is winter in China,  ________.

　　    A. the USA is tilted toward the sun

　　    B. the South Pole is tilted away from the sun

　　    C. the North Pole is tilted toward the sun

　　    D. the North Pole is tilted away from the sun

The word “day” has two meanings. When we talk about the number of days in a year, we are using “day” to mean 24 hours. But when we talk about day and night, we are using “day” to mean the time between sunrise and sunset. Since the earth looks like a ball, the sun can shine on only half of it at a time. Always one half of the earth is having day and the other half night. A place is moved from day into night and from night into day over and over by the spinning（旋转）of the earth. At the equator（赤道）day and night are sometimes the same length（长度）. They are each twelve hours long. The sun rises at 6 o’clock in the morning and sets at 6 o’clock in the evening. For six months the North Pole is tilted（倾斜）toward the sun. In those months the Northern Hemisphere（半球）gets more hours of sunlight than the Southern Hemisphere. Days are longer than nights. South of the equator nights are longer than days. For the other six months the North Pole is tilted away from the sun. Then the Southern Hemisphere gets more sunlight. Days are longer than nights. North of the equator nights are longer than days. Winter is the season of long nights. Summer is the season of long days.
（  ）6.When the Western Hemisphere is having day, the Eastern Hemisphere is having ________.
　　     A. both day and night              B. day
　　     C. neither day nor night            D. night
（  ）7. A place is moved from day into night and from night into day over and over by ________ of the earth.
　　     A. the pushing                    B. the pulling
C. the spinning                    D. the passing
（  ）8. At the equator day is as long as night ________.
　　        A. sometimes     B. never       C. usually        D. always
（  ）9. When the North Pole is tilted toward the sun, the Northern Hemisphere gets ________ sunlight.
　　    A. less           B. more       C. all            D. no
（  ）10. When it is winter in China,  ________.
　　    A. the USA is tilted toward the sun
　　    B. the South Pole is tilted away from the sun
　　    C. the North Pole is tilted toward the sun
　　    D. the North Pole is tilted away from the sun

Ben and his classmates are watching a DVD about the environment. A long time ago , most towns and villages were very small . The number of people 　36 lived in every country was much smaller than it is today, too. There was 37 heavy industry . People did not use chemicals .There were no motor vehicles and there were no factories . So there was very 38 polution .

Sadly , our environment is much dirtier than 　39 was in the past . This is a 　40 , because the best way for us to be healthy is to live in a clean environment .

　　 The air and water are much dirtier than they 　 41 be . The chemical factories and cars

42 terrible gas .The water 　43 by chemicals from the factories and ships .This means we are destroying our home little by little .

In the DVD we will try to find ways to 　44 our environment cleaner and find ways to stop future pollution .We hope you will learn 　45 you can to help make the world cleaner and healthier.　

  Long ago，in a small village of Wakefield lived two farmers，Harry and Peter．Harry was very hard．working while Peter was  36  ．Every day Harry got up early and came home late，but Peter walked around for fun．

  One summer there was no   37  and the crops(庄稼)were dying．Harry thought，“I must do something to save these crops，or they shall die．”With this  38  in mind，he went out to find a river so that he could dig a canal(沟渠)to his field．He walked on and on, feeling tired and thirsty．After a  39  search，he found a river full of blue water．He was

very happy．He started digging a canal to his field.  40  it was noon his wife sent their daughter to bring Harry home  41  lunch．But Harry did not go．He did not want to

leave his work unfinished．He completed his work  42  at night．He Was very satisfied．

He went home。had a good meal and  43  into a sound sleep．

    Peter did the same．But he was not at all determined(有决心的)．He also  44  digging a

 canal to his field but he didn’t have his work completed．His field did not get  45  water

 and all his crops died．

  Harry’s field would be watered when needed．He had a good harvest because of his hard work．

(  )36．A．cruel     B．1azy        C．careless      D．silly

(  )37．A．rain      B．wind        C．cloud        D．river

(  )38．A．feeling    B．dream      C．problem      D．thought

(  )39．A．quick     B．long        C．slow        D．special

(  )40．A．Whether  B．Although    C．When        D．Unless

(  )41．A．for       B．to          C．with         D．at

(  )42．A．early     B．far          C．1ate         D．deep

(  )43．A．fell      B．1ooked      C．turned       D．walked

(  )44．A．stopped  B．1oved        C：forgot       D．started

(  )45．A．clean    B．enough       C．1ittle        D．fresh

阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个选项中，选择最佳选项。

  My teenage son Karl became withdrawn(孤僻的) after his father passed away. As a 35   parent, I tried to do my best to talk to him, but the more I tried, 36    he pulled away. When his report card arrived during his junior year, it said that he had been absent 95 times from classes and had six failing grades for the year. At this rate he would never graduate. I 37    him to the school adviser, and I even begged him. Nothing worked.

One night I felt so powerless that I got down on my knees and pleased for 38 . “ Please God(上帝，求求你), I can’t do anything more for my son. I’m at the end of my rope. I’m giving the whole thing up to you. ”

I was at work when I got a phone call. A man 39    himself as the headmaster. “ I want to talk to you about Karl’s absences. ” Before he could say another word, I choked up(说不出话) and all my disappointment and sadness over Karl came pouring out into the ears of this 40  . “ I love my son but I just don’t know what to do. I’ve tried everything to get Karl to go back to school and nothing has worked. It’s out of my hands. ” For a moment there was 41   on the other end of the line. The headmaster seriously said, “ Thank you for your time, ” and hung up.

Karl’s next report card showed a marked 42    in his grades. Finally, he even made the honor roll. In his fourth year, I attended a parent-teacher meeting with Karl. I 43   that his teachers were astonished(震惊的) at the way he had turned himself around. On our way home, he said, “Mum, remember that 44   from the headmaster last year?” I nodded. “ That was me. I thought I’d play a 45   but when I heard what you said, it really hit me 46   I was hurting you. That’s when I knew I had to make you proud.” 

35．A．good                   B．single     C．responsible        D．successful

36．A．the best         B．the less     C. the most        D．the more    

37．A．sent         B．forced      C. allowed        D. pushed

38．A．help                   B．method     C．reasons      D．explanation

39．A．regarded        B．considered         C．introduced    D．looked

40．A．student                B．teacher      C．father            D. stranger

41．A．cry                B．silence          C．laugh         D. answer

42．A．achievement     B．failure      C．improvement   D. exchange

43．A．noticed         B．saw        C. knew           D．learnt

44．A．advice          B．report          C．encouragement         D．call

45．A. game            B．match      C．joke                    D．role

46．A. how long       B．how much       C．how often     D．how many