阅读理解。 The year is 2094. It has been announced that a comet (彗星) is heading t
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will miss our planet, but two pieces will probably hit the southern half of the Earth.
On 17 July, a piece four kilometers wide enters the Earth"s atmosphere (大气层) with a massive explosion.
About half of the piece is destroyed, but the remaining part hits the South Atlantic at 200 times the speed of
sound. The sea boils and a huge hole is made in the sea bed. Huge waves are created and spread outwards
from the hole. The wall of water, a kilometer high, rushes towards southern Africa at 800 kilometers an hour.
Cities on the African coast are totally destroyed and millions of people re drowned.
Before the waves reach South America, the second piece of the comet lands in Argentina. Earthquakes and
volcanoes are set off in the Andes Mountains. The shock waves move north into California and all around the
Pacific Ocean. The cities of Los Angeles, San Francisco and Tokyo are completely destroyed by earthquakes.
Millions of people in the southern half of the earth are already dead, but the north won"t escape for long.
Because of the explosions, the sun is hidden by clouds of dust, temperatures around the world fall to almost
zero.Crops are ruined. The sun won"t be seen again for many years. Wars break out as countries fight for
food. A year later, no more than 10 million people remain alive.
Could it really happen? In fact, it has already happened more than once in the history of the Earth. The
dinosaurs were on the Earth for over 160 million years. Then 65 million years ago they suddenly disappeared.
Many scientists believe that the Earth was hit by a piece of object in space. The dinosaurs couldn"t live through
the cold climate that followed and they died out. Will we meet the same and?
B. An event of imagination
C. A research on space.
D. A scientific adventure.
B. damages to cities
C. an Earth explosion
D. huge waves
B. Because the light and heat from the sun can not reach the earth.
C. Because people there can not live at the temperature of zero.
D. Because wars break out among countries.
B. what happened 65 million years ago was an invented story
C. the human beings will die out in 2094
D. the Earth could be hit by other objects in space
答案
举一反三
time. Ten inches of rain may be enough for many plants to survive (存活) if the rain is spread throughout
the year, If it falls, within one or two months and the rest of the year is dry, those plants may die and a
desert may form.
Sand begins as tiny pieces of rock that get smaller and smaller as wind and weather wear them down.
Sand dunes (沙丘) are formed as winds move the sand across the desert. Bit by bit, the dunes grow over
the years, always moving with the winds and changing the shape. Most of them are only a few feet tall,
but they can grow to be several hundred feet high.
There is, however, much more to a desert than sand. In the deserts of the southwestern United States,
cliffs (悬崖) and deep valleys were formed from thick mud that once lay beneath a sea more than millions
of years ago. Over the centuries, the water dried up. Wind, sand, rain, heat and cold all wore away at the
remaining rocks. The faces of the desert mountains are always changing-very, very slowly-as these forces
of nature continue to work on the rock.
Most deserts have a surprising variety of life. There are plants, animals and insects that:have adapted to
life in the desert. During the heat of the day, a visitor may see very few signs of living things, but as the air
begins to cool in the evening, the desert comes to life. As the sun begins to rise again in the sky, the desert
once again becomes quiet and lonely.
B. the rain falls only in a few weeks
C. there is little rain in a year
D. it is dry all the year round
A. sand piles up gradually
B. there is plenty of rain in a year
C. the sea has dried up over the years
D. pieces of rock get smaller
A. too much sand
B. more sand than before
C. nothing except sand
D. something else besides sand
B. life exists in rough conditions
C. all sand dunes are a few feet high
D. rocks are worn away only by wind and heat
diagrams, lotus flowers and clustering. As I used these exercises in my classes, I noticed that students
were interested. They said more and wrote more. They enjoyed expressing their ideas and sharing them
in groups. They were no longer passively waiting for the bell, but actively took part in the lesson. I find
that creativity (创新) can act as a way to increase participation and improve fluency (流利程度).
Creativity has become a popular word in recent years. Scholars in the arts,psychology (心理学),
business, education, and science are all working to get a deeper understanding of it. Robert J. Sternberg
is a creativity specialist and Yale professor of psychology. He defines creativity as"the ability to produce
work that is both new (original) and appropriate (applicable to the situation)". This definition is useful, as
we want our students to use language in a new way, and to use it correctly and properly. Most scholars
say there are two types of creativity: big "C" creativity and small "c" creativity. Big "C" creativity refers
to genius level thinking that results in artistic masterpieces and scientific breakthroughs. Small "c" creativity
refers to everyday level thinking that can be used in any situation. Our emphasis is on the latter. While it
goes without saying that any of our students could go on to be the next Picasso or Edison, our aim is to
help students produce more ideas and use language in new ways.
B. hoping to have a bell
C. expecting the end of the class
D. wanting to speak in class
B. useful
C. scientific
D. creative
B. creative in the sense of small "c" creativity
C. not creative in the sense of big "c" creativity
D. not creative in the sense of small "c" creativity
B. explain what creativity is
C. discuss how one can be creative
D. tell what reaching aims at
It is expected to carry 20,000 trucks and cars a day, which greatly reduces the overcrowded traffic in
the center of the city. As part of the project, two four-kilometre road tunnels are being built below the
central area of the city, one for traffic to the north and the other for traffic to the south. The two tunnels
are about 20 metres below the surface and are 12 metres wide, providing for two lanes of traffic in each
direction.
In the upper part of the tunnel two air-conditioning pipes remove the waste gas of trucks and cars and
keep the quality of air inside the tunnel. The lighting is at the top of the tunnel, practically at its highest point.
There will also be electronic signs at frequent intervals (间隔). They show traffic conditions ahead, and can
be seen clearly by drivers. The wall is made up of four main elements, which include a waterproofing covering
and, on the inside of the tunnel, a concrete lining (混凝土衬砌).
 | Each tunnel is roughly round and the lower part of the tunnel is somewhat flat. The surface of the road lies on the base, which is made of concrete and steel. The drainage system (排水系统), just below the road surface on one side, removes any extra liquid, particularly water. In the event of fire, the fire main, which is made of steel, pipes water to many fire hydrant stations at regular intervals along |
| 阅读理解。 | |
| Monarch butterflies (黑脉金斑蝶) are a common summer sight in the northern United States and Canada. These large orange and black insects (昆虫) brighten parks and gardens as they fly lightly among the flowers. What makes monarchs particularly interesting is that they migrate (迁飞)-all the way to California or Mexico and back. They are thought to be the only insect that does this. Every year in the late summer monarchs begin their journey to the south. Those heading for Mexico go first for the Louisiana-Mississippi area, then fly across the Gulf of Mexico into Texas. Once in Mexico, they settle themselves in one of about fifteen places in a mountain forest filled with fir trees. Each place provides a winter home for millions of monarchs. The butterflies are so many that they often cover entire trees. When spring comes, they begin their long journey north. The question is often asked whether every butterfly makes the round-trip journey every year. And the answer is no. The average monarch lives about nine months. So one flying north might lay eggs in Louisiana and then die. The eggs of that generation may be found in Kentucky ; the eggs of the next generation may end up in Wisconsin or Michigan. The last generation of the season, about the fourth, will make their way back to Mexico and restart the journey. Scientists learn about monarchs" migration by catching and making marks on the insects. By recatching a monarch with such a mark and noticing where it came from, the next scientist can get to know things like the butterfly"s age and its routing (路线). | |
| 1. One of the places where monarchs spend the winter is _____. | |
| A. the Gulf of Mexico B. an area in Mississippi C. a forest in Mexico D. a plain in Texas | |
| 2. The routing of monarchs" migration can be learned _____. | |
| A. by examining the marks made on them B. by collecting their eggs in the mountains C. by comparing their different ages D. by counting the dead ones in the forests | |
| 3. What is the subject discussed in the passage? | |
| A. Migration of monarchs. B. Scientists" interest in monarchs. C. Winter home of monarchs. D. Life and death of monarchs. | |
| 阅读理解。 | |
| Millions of aircraft take off around the world every year. The skies they fly in seem limitless-miles of empty space. But, with the number of flights increasing each year, this emptiness no longer exists. Researchers in the world of aviation (航空) are worried about the increasing pressure on pilots and ground controllers. And increasing collisions, occurring at or near an airport, have called attention to the need for more aids (辅助设备) to aviation control. People who travel the skies are not certain about air safety. A great deal of money is spent on new and bigger aircraft and airports to deal with the vast increase in passengers travelling by air. Only a small percentage of this money is spent on navigation (导航) and other aids. Actually, suitable electronic equipment has long existed, and many companies market safety aids designed to make it safer for aircraft to take off, fly any distance, and land, whatever the weather. Yet, there are two problems to be solved. The first is to get governments, airlines and airport officials to agree to basic levels of safety aids. The second problem is to find a way of meeting these basic requirements. But no matter how well the equipment works, operators of the equipment still play an important role. Communications between pilots and ground controllers are extremely important to air safety. It is worth pointing our that the mishearing or misunderstanding of instructions in English, and the use of another language, in an international conversation, have led to two recent aircraft accidents. A new type of instrument (仪器) called FLIGHTWATCH would help pilots prevent airport collisions. It would be particularly helpful near airports. | |
| 1. The increasing number of flights leads to the fact that _____. | |
| A. flying is no longer limited in the sky B. there is no empty space for aids to aviation control C. piloting and controlling planes is getting more difficult D. the pressure on the ground becomes greater | |
| 2. There is uncertainty about air safety because _____. | |
| A. planes become bigger for the increasing number of passengers B. money spent on electronic equipment is far from enough C. suitable electronic equipment hasn"t been invented yet D. it is dangerous for planes to take off or land | |
| 3. The underlined word " collisions" probably means _____. | |
| A. accidents in which two planes hit each other B. misunderstandings between pilots and ground controllers C. quarrels among passengers D. breakdowns of new types of instrument | |
| 4. It can be inferred from the passage that _____. | |
| A. governments and officials have paid great attention to air safety B. there should be more companies to sell new safety aids C. English should be used in an international conversation D. understanding between pilots and ground controllers should be improved |