There are four seasons in most of the countries. But the weather is not always the same. In England, winter is not very cold and summer is not very hot. There is not a great __31___between summer and winter. Do you know why?
England has a warm winter and a cool summer because it is an ___32___country.In winter the sea is warmer than the land. The winds __33___the sea bring __34___air to England. In summer the sea is cooler than the land. The winds from the sea bring cool air to England. The west winds blow over England all the year around. They blow from the southwest. They are wet winds. They also bring ___35___to England. So England has ___36___rain all the year .Sometimes it rains heavily. The west of England is wetter than the east.
In Canada they have four seasons, too. But the average( 平均 )temperature is very low. Spring is usually very ___37___in most part of the country. It comes in February. People can still go skating in some places. Summer is usually very cool. Early in the morning the weather is so cold that people usually wear sweaters. Autumn comes ___38___summer. Canadians like to watch maples(楓葉) in the park or on the hills. They are really
beautiful. Winter is the__39___ season of the year. It’s often freezing cold. There is thick ice on the river or lake. Children like to go skating there. Of course, they should wear warm, thick coats, __40___they will catch a cold.

More and more Americans are going to work by bike. Do you know why more people are  1   bikes to work? We can answer the question in  2  ways. First, bikes don’t need gasoline (汽油), so it takes  3  money to use them. Second, a bike doesn’t  4 much space (空間), so it is  5 to find a place for it. And riding a bike is good for one’s  6 . People often drive their 7 to offices or to shops, but now people think riding bikes is a good way of doing sports.
That’s  8  more Americans are now riding to work  9  bike, and they are  10  their own cars at home.

Do you know why different animals or pests(害蟲) have their special colors? Colors in them seem to be mainly used to    1   themselves.
Some birds like eating locusts(蝗蟲), but birds cannot    2  catch them. Why? It is because locusts change their   3   with the change of the colors of crops. When crops are green, locusts look    4 . But as the harvest time comes, locusts change into the same brown color    5  crops have. Some other pests whose colors are   6   plants are easily found and eaten by   7  . So they have to hide themselves for lives and appear only   8  .
If you    9 animals’ life, you’ll find the main use of colors is to protect    10  . Bears, lions and other animals  11  quietly through forests. They cannot be easily seen by hunters   12  their colors are much like the trees.
Colors are useful not only on the land, but also in the   13 . A kind of fish can   14  a kind of black liquid(液體) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is   15  they can live safely though they are not strong at all. So colors are really useful to animals.

There was once a millionaire(百萬(wàn)富翁).He loved money more      anything else in the world. He didn’t know exactly how       he had. So he asked a little girl to count(數(shù))        his money for him. It        the little girl six days to count his money. When she told the millionaire       he had forty-two million dollars, he was very glad       asked, “How much pay do you want ?”He     that she was only a child, he could cheat(騙) her.

    The little girl said, “Well, I worked      six days, so I think you _    pay me for six days. Give me two pennies for the first day. Each day after that,       give me the amount(數(shù)量) you gave the day before multiplied (乘)by itself.”

    The millionaire thought that in this way he would only had to give her very few dollars. What a _    _ little girl! So he immediately(立刻) asked his lawyer to make a contract (條約). He was afraid that she would change _ ___.

On the first day, the millionaire paid her two pennies, and on the second day, __    pennies. He did what he had planned. And on the sixth day the foolish(愚蠢) millionaire      to give the clever little girl all his money.

  At last, it was more than he had .Do you know why? If you have       in it, you may try to work out this math problem..

1.A. as          B. so         C. than        D. then

2.A. many       B. much       C. often        D. far

3.A. both        B. some       C. most        D. all

4.A. cost        B. spent       C. used         D. took

5.A. that        B. what        C. how         D. if

6.A. and        B. but         C. so           D. or

7.A. asked      B. thought      C. told        D. spoke

8.A. in         B. on          C. for          D. at

9.A. had to      B. need        C. should       D. must

10.A. still       B. just         C. really       D. finally

11.A. kind       B. foolish      C. lovely       D. clever

12.A. his plan    B. her life      C. his place     D. her mind

13.A. two       B. four         C. six         D. eight

14.A. need      B. had         C. must        D. may

15.A. interest    B. interested    C. interesting    D. interests

More and more Americans are going to work by bike. Do you know why more people are  41   bikes to work? We can answer the question in  42  ways. First, bikes don’t need gasoline (汽油), so it takes  43  money to use them. Second, a bike doesn’t  44 much space (空間), so it is  45 to find a                   place for it. And riding a bike is good for one’s  46 . People often drive their  47 to offices or to shops, but now people think riding bikes is a good way of doing sports.
That’s  48  more Americans are now riding to work  49  bike, and they are  50  their own cars at home.