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Shopping habits in the United States have changed greatly in the last quarter of the 20th century.1__ in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was 2__ on both sides with many various 3_ .
Here, shoppers walked into stores to look at all sorts of goods: clothing, furniture, hardware, groceries. 4 , some shops offered 5 .These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. 6 in the 1950s, a change began to take place. Too many cars had crowded into Main Street while too few parking places were 7 to shoppers. Because- the streets were crowded, merchants began to look with 8 at the open spaces outside the city limits. Open space was what their car-driving 9 needed.
And open space was what merchants got 10 the first shopping centers were built Shopping centers, or rather malls, 11 as a collection of small new stores 12 crowded city centers. 13 by hundreds of free parking space, customers were drawn away from 14 areas to out-lying malls. And the growing 15 of shopping centers led 16 to the building of bigger and better stocked stores.
17 the late 1970s, many shopping malls had almost 18 into small cities themselves. In addition to providing the 19 of one stop shopping, malls were transformed into landscaped（园林化）parks, 20 benches, fountains, and outdoor entertainment.
1．A．Finally B．Early C．Late D．Lately
2．A．built B．designed C．intended D．lined
3．A．factories B．trees C．businesses D．hospitals
4．A．In addition B．Therefore C．On the contrary D．As well
5．A．accommodation B．information C．technology D．services
6．A．And B．Thus C．So D．But
7．A．special B．available C．closed D．reliable
8．A．surprise B．delight C．interest D．horror
9．A．customers B．bosses C．workers D．staff
10．A．when B．while C．since D．because
11．A．changed B．started C．provided D．organized
12．A．within B．near C．next to D．away from
13．A．Suggested B．Attacked C．Attracted D．Confused
14．A．public B．private C．outdoor D．downtown
15．A．popularity B．beauty C．distinction D．expense
16．A．out of turn B．in turn C．out of order D．in order
17．A．By B．During C．In D．Towards
18．A．increased B．shrunk C．developed D．decreased
19．A．regulation B．relation C．convenience D．confidence
20．A．around B．besides C．with D．without
查看习题详情和答案>>In the summer of 1978 an English farmer named Lan Stevens was driving his tractor through a field of wheat 1 he discovered something strange.
Some of his wheat was lying flat on the ground. The 2 wheat formed a circle about six meters 3 . Around this circle were four smaller circles of flattened wheat. The five circles were in a formation 4 five dots on dice.
Three years later a farmer who lived nearby discovered similar circles in one of his fields. These circles were 5 —nearly 15 meters across.
That same year, yet another English farmer discovered three circles of flattened wheat on his land—one large circle 6 two small circles.
During the 7 years, farmers in England found the mysterious circles in their fields more and more often. In 1987 they discovered 50 circles; in 1988, 98 circles; and in 1989, 270 circles.
The circles are called “crop circles” because they appear in fields of grain—usually wheat or corn.
The grain in the circles lies flat 8 but is never broken: it continues to grow horizontal, and farmers can later 9 it.
Many people believe that beings from outer space are making the circles. Some think that the beings are trying to communicate 10 us from far away and that the crop circles are messages from them.
11 believe that the beings have actually landed on earth and that the circles are 12 left by their spaceships. Several times people reported 13 strange flying objects near fields where crop circles later appeared.
Scientists who have studied the crop circles say they're not sure what 14 them. They 15 several theories.
For example, some scientists say that “microburst” of wind create the circles. A microburst is a 16 rush of cool air—the same downward rush of air that sometimes causes an airplane to crash.
Other scientists say that forces 17 the earth cause the circles to appear.
Experts from 18 have studied them. What do the experts 19 the crop circles? They say what Lan Stevens said: “They don't know how 20 these things.”
1．
A. that B. and
C. which D. when
2．
A. flat B. flattened
C. flatting D. have flattened
3．
A. across B. cross
C. around D. round
4．
A. alike B. liking
C. like D. as
5．
A. larger B. large
C. smaller D. small
6．
A. between B. among
C. out D. from
7．
A. followed B. following
C. last D. next
8．
A. to the ground B. in the field
C. on the ground D. on the earth
9．
A. get B. harvest
C. lost D. miss
10．
A. to B. for
C. from D. with
11．
A. The other B. Other
C. Another D. Others
12．
A. marks B. signs
C. symbols D. impressions
13．
A. to see B. have seen
C. seeing D. saw
14．
A. creates B. leads
C. makes D. happens
15．
A. have given B. put forward
C. makes D. happens
16．
A. forward B. backward
C. upward D. downward
17．
A. in B. on
C. within D. under
18．
A. all over the country B. all over the world
C. all over the school D. all over the university
19．
A. say of B. speak of
C. say about D. speak about
20．
A. making of B. made from
C. to make of D. to make from
查看习题详情和答案>>
Some of his wheat was lying flat on the ground. The 2 wheat formed a circle about six meters 3 . Around this circle were four smaller circles of flattened wheat. The five circles were in a formation 4 five dots on dice.
Three years later a farmer who lived nearby discovered similar circles in one of his fields. These circles were 5 —nearly 15 meters across.
That same year, yet another English farmer discovered three circles of flattened wheat on his land—one large circle 6 two small circles.
During the 7 years, farmers in England found the mysterious circles in their fields more and more often. In 1987 they discovered 50 circles; in 1988, 98 circles; and in 1989, 270 circles.
The circles are called “crop circles” because they appear in fields of grain—usually wheat or corn.
The grain in the circles lies flat 8 but is never broken: it continues to grow horizontal, and farmers can later 9 it.
Many people believe that beings from outer space are making the circles. Some think that the beings are trying to communicate 10 us from far away and that the crop circles are messages from them.
11 believe that the beings have actually landed on earth and that the circles are 12 left by their spaceships. Several times people reported 13 strange flying objects near fields where crop circles later appeared.
Scientists who have studied the crop circles say they're not sure what 14 them. They 15 several theories.
For example, some scientists say that “microburst” of wind create the circles. A microburst is a 16 rush of cool air—the same downward rush of air that sometimes causes an airplane to crash.
Other scientists say that forces 17 the earth cause the circles to appear.
Experts from 18 have studied them. What do the experts 19 the crop circles? They say what Lan Stevens said: “They don't know how 20 these things.”
1．
A. that B. and
C. which D. when
2．
A. flat B. flattened
C. flatting D. have flattened
3．
A. across B. cross
C. around D. round
4．
A. alike B. liking
C. like D. as
5．
A. larger B. large
C. smaller D. small
6．
A. between B. among
C. out D. from
7．
A. followed B. following
C. last D. next
8．
A. to the ground B. in the field
C. on the ground D. on the earth
9．
A. get B. harvest
C. lost D. miss
10．
A. to B. for
C. from D. with
11．
A. The other B. Other
C. Another D. Others
12．
A. marks B. signs
C. symbols D. impressions
13．
A. to see B. have seen
C. seeing D. saw
14．
A. creates B. leads
C. makes D. happens
15．
A. have given B. put forward
C. makes D. happens
16．
A. forward B. backward
C. upward D. downward
17．
A. in &nb s p; B. on
C. within D. under
18．
A. all over the country B. all over the world
C. all over the school D. all over the university
19．
A. say of B. speak of
C. say about D. speak about
20．
A. making of B. made from
C. to make of D. to make from
查看习题详情和答案>>
Haley’s comet is named for the English astronomer, Edmond Haley, who saw it in 1682．Haley knew that people had seen bright lights in the sky in 1531 and again in 1607．He did a little mathematics and said the visitor would come back again in 1785．He was right. Haley said that in the future, men would travel to the comet and ride it around space!
As the comet came near the earth in 1986, the European Space Agency flied a rocket called Grotto. Grotto came within 605 kilometers (376 miles) of the atmosphere of the comet. It is about 15 kilometers long and 8 kilometers wide (9.3 miles by 5 miles). Its atmosphere contains the element nitrogen (氮气) but no air. The centre of the comet is made of dust and solid water. It’s a very cold, lonely place. Would you like to ride the comet, or do you prefer riding the earth?
1．From the article we know that Haley’s comet return every ________ years?
A．77
B．76
C．78
D．1758
2．We can infer that the comet will come back next in________?
A．2060
B．2066
C．2062
D．2000
3．The centre of comet is made of ________.
A．dust and nitrogen
B．ice and dust
C．water and ice
D．dust, ice and air
4．From the article we know that the comet is ________.
A．a new comer
B．an old visitor
C．a planet of the earth
D．a planet of the moon
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