阅读下面材料，在空白处填入适当的内容（不多于3个词）或括号内单词的正确形式，并把答案写在答题卡上的相应位置。
Louis invited his friends to lunch one day. He was cooking some delicious food in the kitchen. Suddenly, he (find) that he had run out of salt. So Louis called to his son, “Go to the village and buy some salt, but pay a fair price for it: neither too much
too little.”
His son looked surprised. “I can understand why I shouldn’t pay too much, Father, but if I can pay less, not save a bit of money?”
“That would be a very (reason) thing to do in a big city, but it could destroy a small village like ours,” Louis said.
Louis’s guests, had heard their conversation, asked why they should not buy sale more cheaply if they could. Louis replied, “The only reason why a man would sell sale
a lower price would be that he was desperate for money. And anyone who took advantage of that situation would be showing a lack of respect for the sweat and struggle of the man who worked very hard to produce
.”
“But such a small thing couldn’t (possible) destroy a village.”
“In the beginning, there was only very small amount of unfairness in the world, but everyone added a little, always
(think) that it was only small and not very important, and look where we have ended up today.”
A young American woman worked in a school in Shanghai．she came to China，she knew little about the Chinese culture of language． One day on her way to school，she went to a bank
(draw) some money．To
surprise，the bank clerk(职员) asked her if she had had her lunch．She was surprised at such
question because in the American culture it would mean that the bank clerk is inviting her to lunch．Between unmarried young people it can also mean the young man’s interest in dating the girl．Since this bank clerk
(be) a stranger to the American woman，she was very puzzled(困惑的)，and quickly answered that she had
(eat) already．After this she went on to school and was even
surprised when one of the teachers asked her the same question．
By now she understood that it could not be an (invite) but was puzzled as to why they asked it．In the following days she was asked the same question again and again and she spent many hours
(try) to work out why so many people kept asking her this．At last she thought that these people must be
(concern) about her health．She was rather thin at the time，and she thought they must be worrying that she was not eating well!
In fact the question like that has no real meaning at all — it is only a greeting．
A young man and an old man were waiting for a bus. sat next to each other. “What’s that in your bag?” asked the young man, pointing to a big bag beside the old man.
“Gold. There was nothing but gold,” answered the old man. The young man could not believe his own ears and was great surprise. Then he began to think about
to get the money. The old man was very tired and it seemed that he could hardly keep his eyes open. After a while the old man
(lie) down on the chair and fell asleep.
The young man took big bag gently and quietly. But when he was just about to run away, he found a corner of his fur coat was under the old man’s body. Several times he tried to pull it out,
in vain（徒劳）. At last he took off his coat,
(think) that the gold in the bag must cost far more than his fur coat.
Worried but (delight), the young man ran out of the station as quickly as his legs could carry him, until he reached a place
he thought the old man couldn’t find him. He stopped and
(quick) opened the bag but he just found a great many of small stones in it. Then he ran back to the station hurriedly only to find that the old man was gone.
Polar bears are suffering in a(warm) world than ever before.
Polar bears live in environments too cold for most animals. For much of the year,live and hunt on the frozen Arctic sea ice. Nature has prepared them for the cold conditions. But nothing has prepared the bears for the danger threatening the only home
they know.
The polar bears’ world is melting. Studies show that the polar ice(reduce) by 9.8% every 10 years since 1978. Now about 20,000 to 25,000 polar bears live in the Arctic. Polar bears depend on the sea ice for their
(survive). “The sea ice is more than just this platform that the bears walk over.” says Andrew Derocher,
scientist who studies North American polar bear populations. “
it, they can’t exist.”
Some melting and refreezing of the polar ice is natural. in a warmer world, these cycles speed up, and bears have less time
(hunt). Normally, they have three months in the spring when they gain more weight. The extra fat is used later,
the bears are not actively hunting.
Rivers are one of our most important natural resources. Many of the world’s great cities are ______ (locate) on rivers, and almost
_______ country has at least one river flowing through it that plays
________ important part in the lives of its people.
Since the beginning of history, people _______ (use) rivers for transportation. The longest one in the United States is the Mississippi, and the lifeline of Egypt is the Nile.
_________ transportation, rivers give water to drink, water for crops, and chances for fun and recreation for the people
______ live along their banks.
However, large cities and industries that are located on rivers often make problems. As the cities grow _______ size and industries increase in number, the water in the rivers becomes
________ (pollute) with chemicals and other materials. People are learning the
_________ (important) of doing more to keep their rivers clean
________ they want to enjoy the benefits of this natural resource.
Daisy is a kind girl and has longed to help endangered species of wildlife. One day, she was on a magical journey by ta flying carpet. It first flew to Tibet in China,
she saw an antelope. The antelope told her
they were being killed for the wool beneath
tstomachs. Then the carpet flew away to Africa. The elephants there used to be hunted without
m.
With some proper measures taken, for example, only a certain number of animals were (允许)to be hunted and the farmers got paid, the number was gradually increasing.
F, Daisy was taken to a thick rainforest, in which a monkey told her “No rainforest, no animals, no drugs.” She realized the
(重要) of the rain forest to the animals. Daisy appreciated this
(奇特的) experience. She hopes all the animals can live
peace and that all the people will help protect the animals, especially the endangered ones.