A． Scientists know how to change desert into good land．
B． Land is becoming desert faster than scientists can change it back into good
land．
C． If scientists can bring water to desert， people can live and grow food
there．
D． More and more places are becoming deserts all the time． 55． After reading this passage， we learn that ＿＿＿＿＿＿＿＿ ． A． plants can keep dry land from becoming desert B． it is good to get rid of the grass in the deserts C． all places without much rain will become deserts D． it is better to grow crops on dry land than to cut them Keys:46－50 BCCDD 51－55 DDCBA 6
阅读理解（共10小题；每小题2分，满分20分）
阅读下列短文，从每题所给的四个选项（A、B、C和D）中选出最佳选项。 A
Why do people in all countries ride in buses to school，to work and to far places？Buses can go where trains and airplanes cannot． They do not cost as much to travel on． Even though they may not move as fast as airplanes and trains，they sometimes take people between two places faster． This is because they may travel a more direct way，or may leave more often，or at better times．
Buses come in different sizes． A small bus can carry only eight or ten people． A large one might have seats for fifty to seventy people and have standing room for more．
Thousands of yellow school buses carry millions of children to school every year． Most of these buses have seats placed quite close together to fit in as many
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children as possible． Some schools buy their own buses． Others pay to use buses that belong to bus companies．
City and town buses carry people for short distances． The seats of these are close together，and there is standing room as well． Most city buses have two doors so that people can get on and off quickly．
Long distance buses go from state to state or country to country． They give people the chance to travel across huge stretches of land． These buses have comfortable seats that can be moved to different positions． They have places to store suitcases． Many have washrooms． All these things are important on a long trip．
46． Compared with trains and planes， buses don’t have the advantage of ＿＿＿＿ ．
A． cheap fare B． frequent travel
C． safety D． directness
47． A large bus might carry ＿＿＿＿＿＿ people．
A． at most seventy B． at least seventy
C． more or less than seventy D． much more than seventy
4８． Buses have different kinds，and they ＿＿＿＿＿＿ ． A． leave as frequently as possible B． carry all kinds of travelers
C． carry people according to their functions D． have seats as close as possible
4９． Long－distance buses give people the chance to travel across ＿＿＿＿＿＿ ． A． huge and continuous sections of land B． large and beautiful land
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C． small but beautiful land D． huge districts of land
50． There are different kinds of buses mentioned in this passage except ＿＿＿＿ ．
A． short－distance buses B． direct buses
C． school buses D． long－distance buses B
Every day millions of letters go from one country to another． Letters mailed in Italy are received in Japan． Letters mailed in Canada are received in Africa． On the letters are many different kinds of stamps，bought in different countries． The Universal Postal Union helps each letter get to the right place as quickly as possible． It sets up rules about the size and weight of letters，postcards，and small packages（包裹）． It has rules that all countries must follow about international postal rates（费用）．
One hundred years ago，international mail did not move so smoothly． One country did not always accept another country’s letters． Letters from some countries were too large to fit into the mailboxes of other countries． Letters travelled by many different routes（路线）．Some were lost along the way． Sometimes the person who sent the letter could pay only part of the postage． The person receiving the letter had to pay the rest．
The United States was the first to suggest that all countries work together to settle the questions of international mail． In 1974，men from twenty－four countries met in Switzerland to form the Universal Postal Union． Today，more than 120 nations belong to this union． From its office in Switzerland，the union helps the mail to move safely and quickly around the world． 51． From the story we can infer that ＿＿＿＿＿＿ ． A． mail is important to all countries
B． not enough letters are sent all over the world C． all the letters must go to Switzerland first
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D． all stamps look exactly the same
52． The Universal Postal Union was formed ＿＿＿＿＿＿ ． A． to help move mail quickly around the world B． to give many men a chance to work C． to help men meet in Switzerland
D． to look for the lost letters along the way 53． Which statement does this passage leads you to believe？ A． Countries around the world need each others’ help． B． Most people do not put enough postage on letters． C． It is not possible for letters to get lost on the way． D． Some of the letters are too large to be put into the mailbox．54． The underlined word “postage” in this passage means ＿＿＿＿＿＿． A． money paid when you buy a stamp B． money spent on an envelope
C． the charge for carrying a letter by post D． the pay a postman receives for his work 55． This passage is mainly about ＿＿＿＿＿＿ ．
A． different kinds of stamps in different countries B． an organization that makes rules C． international mail
D． the size and weight of letters Keys: 46－50 CCCAB 51－55 AAACC 7
阅读理解（共10小题；每小题2分，满分20分）
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阅读下列短文，从每题所给的四个选项（A、B、C和D）中选出最佳选项。 A
The earth is made up of several layers（地层）．The top layer of the earth is called the earth’s crust． The crust is divided into sections which are called plates．
When two plates push against each other，or when two plates rub against each other，an earthquake happens． An earthquake causes the ground above the plate to shake． The shaking is caused by the movement of the plates．
Earthquakes are likely to happen at the boundaries（边界） of the earth’s plates． Each of these plates is about 70 kilometres thick． 46． The underlined word “crust” means “＿＿＿＿＿＿” ．
A． 地面 B． 地皮 C． 地质 D． 地壳
47． The underlined word “sections” is closest in meaning to “＿＿＿＿” ．
A． parts B． lines C． groups D． teams
48． What are plates？
A． The top layer of the earth．
B． Places that cause the ground to shake． C． The sections of the crust． D． Places where earthquakes happen． 49． What theory is this passage based on？
A． The theory of players． B． The theory of plates． C． The theory of crust． D． The theory of boundaries．
50． Most earthquakes happen ＿＿＿＿＿＿ ． A． under the crust
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