Học 100 câu nhớ hết 7000 từ vựng tiếng Anh

r immigrants to the United States. 
45. Quails typically have short rounded wings that enable them to spring into full 
flight instantly when disturbed in their hiding places. 
46. According to anthropologists, the earliest ancestors of humans that stood upright 
resembled chimpanzees facially, with sloping foreheads and protruding brows. 
47. Not until 1866 was the fully successful transatlantic cable finally laid. 
48. In his writing, John Crowe Ransom describes what he considers the spiritual 
barrenness of society brought about by science and technology. 
49. Children with parents whose guidance is firm, consistent, and rational are inclined 
to possess high levels of self-confidence. 
50. The ancient Hopewell people of North America probably cultivated corn and other 
crops, but hunting and gathering were still of critical importance in their economy. 
51. Using many symbols makes it possible to put a large amount of inFORMation on 
a single map. 
52. Anarchism is a term describing a cluster of doctrines and attitudes whose 
principal uniting feature is the belief that government is both harmful and 
unnecessary. 
53. Probably no man had more effect on the daily lives of most people in the Untied 
States than did Henry Ford a pioneer in automobile production. 
54. The use of well-chosen nonsense words makes possible the testing of many basic 
hypotheses in the field of language learning. 
55. The history of painting is a fascinating chain of events that probably began with 
the very first pictures ever made. 
56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the 
same pearls told individually. 
57. During the eighteenth century, Little Turtle was chief of the Miami tribe whose 
territory became what is now Indiana and Ohio. 
58. Among almost seven hundred species of bamboo, some are fully grown at less 
than a foot high, while others can grow three feet in twenty-four hours. 
59. Before staring on a seavoyage, prudent navigators learn the sea charts, study the 
sailingdirections, and memorize lighthouse locations to prepare themselves forany 
conditions they might encounter。 
60. Of all the economically important plants, palms have been the least studied. 
61. Buyers and sellers should be aware of new developments in technology can and 
does affect marketing activities. 
62. The application of electronic controls made possible by the microprocessor and 
computer storage have multiplied the uses of the modern typewriter. 
63. The human skeleton consists of more than two hundred bones bound together 
by tough and relatively inelastic connective tissues called ligaments. 
64. The pigmentation of a pearl is influenced by the type of oyster in which it 
develops and by the depth, temperature, and the salt content of the water in which 
the oyster lives. 
65. Although mockingbirds superbly mimic the songs and calls of many birds, they 
can nonetheless be quickly identified as mockingbirds by certain aural clues. 
66. Not only can walking fish live out of water, but they can also travel short 
distances over land. 
67. Scientists do not know why dinosaurs became extinct, but some theories 
postulate that changers in geography, climate, and sea levels were responsible. 
68. The science of horticulture, in which the primary concerns are maximum yield 
and superior quality, utilizes inFORMation derived from other sciences. 
69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving 
the seeds from freezing. 
70. Even though the precise qualities of hero in literary words may vary over time, 
the basic exemplary function of the hero seems to remain constant. 
71. People in prehistoric times created paints by grinding materials such as plants 
and clay into power and then adding water. 
72. Often very annoying weeds, goldenrods crowd out less hardy plants and act as 
hosts to many insect pests. 
73. Starting around 7000 B.C., and for the next four thousand years, much of the 
Northern Hemisphere experienced temperatures warmer than at present. 
74. When Henry Ford first sought financial backing for making cars, the very notion 
of farmers and clerks owning automobiles was considered ridiculous. 
75. Though once quite large, the population of the bald eagle across North America 
has drastically declined in the past forty years. 
76. The beaver chews down trees to get food and material with which to build its 
home. 
77. Poodles were once used as retrievers in duck hunting, but the American Kennel 
Club does not consider them sporting dogs because they are now primarily kept as 
pets. 
78. As a result of what is now know in physics and chemistry, scientists have been 
able to make important discoveries in biology and medicine. 
79. The practice of making excellent films based on rather obscure novels has been 
going on so long in the United States as to constitute a tradition. 
80. Since the consumer considers the best fruit to be that which is the most 
attractive, the grower must provide products that satisfy the discerning eye. 
81. Television the most pervasive and persuasive of modern technologies, marked by 
rapid change and growth, is moving into a new era, an era of extraordinary 
sophistication and versatility, which promises to reshape our lives and our world. 
82. Television is more than just an electronics; it is a means of expression, as well as 
a vehicle for communication, and as such becomes a powerful tool for reaching other 
human beings. 
83. Even more shocking is the fact that the number and rate of imprisonment have 
more than doubled over the past twenty years, and recidivism------that is the rate for 
re-arrest------is more than 60 percent. 
84. His teaching began at the Massachusetts Institute of Technology, but William 
Rainey Harper lured him to the new university of Chicago, where he remained 
officially for exactly a generation and where his students in advanced composition 
found him terrifyingly frigid in the classroom but sympathetic and understanding in 
their personal conferences. 
85. The sloth pays such little attention to its personal hygiene that green algae grow 
on its coarse hair and communities of a parasitic moth live in the depths of its coat 
producing caterpillars which graze on its mouldy hair. Its muscles are such that it is 
quits incapable of moving at a speed of over a kilometer an hour even over the 
shortest distances and the swiftest movement it can make is a sweep of its hooked 
arm. 
86. Artificial flowers are used for scientific as well as for decorative purposes. They 
are made from a variety of materials, such as way and glass, so skillfully that they can 
scarcely be distinguished from natural flowers. 
87. Three years of research at an abandoned coal mine in Argonne, Illinois, have 
resulted in findings that scientists believe can help reclaim thousands of mine 
disposal sites that scar the coal-rich regions of the United States. 
88. When the persuading and the planning for the western railroads had finally been 
completed, the really challenging task remained: the dangerous, sweaty, 
backbreaking, brawling business of actually building the lines. 
89. Because of the space crunch, the Art Museum has become increasingly cautious 
in considering acquisitions and donations of art, in some cases passing up 
opportunities to strengthen is collections. 
90. The United States Constitution requires that President be a natural-born citizen, 
thirty-five years of age or older, who has lived in the United States for a minimum of 
fourteen years. 
91. Arid regions in the southwestern United States have become increasingly inviting 
playgrounds for the growing number of recreation seekers who own vehicles such as 
motorcycles or powered trail bikes and indulge in hill-climbing contests or in caving 
new trails in the desert. 
92. Stone does decay, and so tools of long ago have remained when even the bones 
of the man who made them have disappeared without trace. 
93. Insects would make it impossible for us to live in the world; they would devour all 
our crops and kill our flocks and herds, if it were not for the protection we get from 
insect-eating animals. 
94. It is true that during their explorations they often faced difficulties and dangers 
of the most perilous nature, equipped in a manner which would make a modern 
climber shudder at the thought, but they did not go out of their way to court such 
excitement. 
95. There is only one difference between an old man and a young one: the young 
man has a glorious future before him and old one has a splendid future behind him: 
and maybe that is where the rub is. 
96. I find young people exciting. They have an air of freedom, and they have not a 
dreary commitment to mean ambitions or love comfort. They are not anxious social 
climbers, and they have no devotion to material things. 
97. I am always amazed when I hear people saying that sport creates goodwill 
between the nations, and that if only the common peoples of the world could meet 
one another at football or cricket, they would have no inclination to meet on the 
battlefield. 
98. It is impossible to say simply for the fun and exercise: as soon as the question of 
prestige arises, as soon as you feel that you and some larger unit will be disgraced if 
you lose, the most savage combative instincts are around. 
99. It has been found thatcertain bats emit squeaks and by receiving the echoes, 
they can locateand steer clear of obstacles------or locate flying insects on whichthey 
feed. This echo-location in bats is often compared with radar, theprinciple of which is 
similar。 
100. As the time and cost of making a clip drop to a few days and a few hundred 
dollars, engineers may soon be free to let their imaginations soar without being 
penalized by expensive failure.