If the population of the Earth keeps on (increase) at its present rate, there will
(eventual) not be enough resources left to support life on the planet. By the middle of the 21st century, if present trends continue, we
(use) up all the oil that drives our cars, for example. Even if scientists develop new ways of feeding the human race, the crowded conditions on Earth will make it
(necessity) for us to look for open space somewhere else. But
of the other planets in our solar system are capable of supporting life at present. One possible solution to the problem,
, has recently been suggested by an American scientist, Professor Carl Sagan. Sagan believes that
the Earth’s resources are completely
(exhaust), it will be possible to change the atmosphere of Venus and
create a new world almost as large as the Earth itself. The difficulty is that Venus is much hotter than the Earth.
, there is only a tiny amount of water there.
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
On December 4th, 2006, an airbus took off on time from the capital airport of Saudi Arabia. After about an hour’s ______(fly), something strange happened in the plane.
The passengers _____(enjoy) themselves when a small rat stole out from the bag of a young man, which made the young woman nearby ___
___(alarm) with loud screaming. Then more and more rats came out of the bag. All the passengers became out of order, especially the women and the children. The steward(机长) managed to get in touch with__
___ control centre on the ground. With the order from the ground, the plane___
___(succeed) landed at the nearest airport.
As soon as the plane landed on the ground, all the passengers got off. Then seven specialists got on _____(catch) these small creatures. Many means had been tried but _
___of them was good enough to catch the rats. At last they tried to fill in the plane ___
__ carbon-dioxide, __
___ poisoned all the eighty rats by the poisonous gas.
It _____(report) that the young man wanted to carry these rats to another city and sell them as pets but no one had expected that these small creatures succeeded in escaping from the bag.
阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
An old farmer was about to die. He wanted to make that his sons would stop fighting among
(they).He hoped to encourage them to manage the farm
(success).The old man called his sons together and said, “My sons, I’m about
(leave) this life. You will find all that I have in the farm.”
Some time later, after their father had died, the sons started to spend long hours (work) in the fields. They thought their father
(bury) a treasure in the ground. They kept ploughing from morn till night, turning the soil over again and again,
still failed to find any treasure. That year’s crops, however, were
(good)than any of their father’s crops and sold for
very good price.
the end, the young men found that working hard is truly a treasure in itself.
阅读下面材料，在空白处填人适当的内容（1个单词）或括号内单词的正确形式。
In the Tibetan language, "Guozhuang dance" means singing and dancing in a circle. It is very popular in Tibet and places like Yunnan, Qinghai and Gansu Tibetans live. In the dance, men and women of an equal number form a circle hand in hand with one. person
(act) as the leading dancer. The whole song begins with slow part. and gradually
(turn) fast. Men always take the first lines of lyrics（抒情歌），
women reply. The dance involves repeated
(music)dialogues between male and female dancers.
Guozhuang dance is rich in content and flexible in steps. It changes with the (develop)of Tibetan life and work, There are dances concerning daily work
crop gathering, wool twisting, cattle feeding and wine making etc; And also there are dances presenting,
Tibetan customs and marriage traditions.
Guozhuang dance is a joyous dance. Whenever there are festivals or happy events, people of all ages will (happy) join the dance. Guozhuang dance
(catalogue)in the first set of the National Intangible Cultural Heritage（非物质文化遗产）since 2006．
Our body, which has close relations with the food that we eat our daily life, is the most important thing that we own, so our body
(need) proper treatment and proper nourishment (营养).
The old saying “An apple a day keeps the doctor away” is not as silly as some people think. The body needs fruit vegetables, such as apples, pears, banana, carrots and cabbages, because they contain vitamin C,
is very necessary and important to us all. It’s clear that a lack of vitamin C can make people ill and weak easily.
In order to get enough needed vitamins, many people take extra vitamins in pill form, (believe) that these will make them
(health). But a good diet is made up of nourishing food and this gives all the vitamins that we need. The body doesn’t need or use extra vitamins, so why waste money on them?
Nowadays many people are too busy to bother about eating properly. They throw anything into their (stomach), eating something carelessly and
(hurry). The list of illnesses
（cause）or made worse by bad eating habits is frightening. It is high time we should realize the importance of having a good diet. If not, it is impossible for
(we) to keep fit and strong.
阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
Have you complained your family, your boss, or even your life? Maybe everyone has, but after reading this story, you may change your view and treat the world with another attitude.
An ass (驴), (belong) to an herb-seller who gave him too little food and too much work, could not bear the life any longer. So he made a petition (请求) to God, to be released from his present service and provided with
master. After warning him
he would regret doing it, God made him to be sold to a tile-maker. Shortly afterwards, the ass found that he had
(heavy) loads to carry and harder work in the brick-field, and asked for another change again. God, telling him that it would be
last time that he could satisfy his request, made him sold to a tanner (皮革工). The ass found that he
(fall) into worse hands. Knowing his new master’s occupation, he said, “It would have been better for me either to have been starved by the first owner
to have been overworked by the second. But now I have already been bought by my present owner,
will peel off my skin even after I am dead, and make me useful .”
We can see that people with dissatisfaction in a place are not (like) to find happiness in another.