41.Moles are almost completely blind, although its tiny eyes can distinguish light from dark.
42.The Cubist movement in art was a reaction against traditional methods of portray reality.
43.Certain types of computers work properly only in environments with controlled precisely temperatures.
44.The belief in fairies have existed from earliest times, and the literature of many countries includes tales of fairies and their relationship to human.
45.Acrylic paint enables artists to experiment with many colors effects.
46.Salt Lake City, Utah’s capital and largest city, is industrial and banking center.
47.People can remember more information for higher periods of time when they use more than one sense in the process of learning.
48.Flower have long been cultivated and bred for their beauty and their fragrance.
49.The United States Constitution requires that President be a natural-born citizen, thirty-five years of age or be older, who has lived in the United States for a minimum of fourteen years.
50.The most substances expand in volume when they are heated.
51.As inevitably as human culture has changed with the passing of time, so does the environment.
52.Mexican jumping beans are actually seeds in which contain moth larvae whose activity causes the seeds to "jump".
53.Data received from two spacecraft indicate that there is many evidence that huge thunderstorms are now occurring around the equator of the plant Saturn.
54.Per capita income is a nation’s entire income dividing by the number of people in the nation.
55.For centuries waterwheels were the only sources of power aside from human and animal strong.
56.The age of a geological sample can be estimated from the ratio of radioactive to non-radioactive carbon present in the object is examined.
57.Salmon spend most of their adult lives in salt water, despite they return to their freshwater birthplaces to spawn and die.
58.Porcelain is not a single clay, and a compound of kaolin, ball clay, feldspar, and silica.
59.The dromedary camel is raised especially to racing.
60.The texture of soil is determined by the size of the grains or particles that make up.
61.All matter resists any change in their condition of rest or of motion.]
62.Like some other running birds, the sanderling lacks a back toe and has a three-toed feet.
63.Large bodies of water and the prevalence of moisture-bearing winds often produce a condition of tall humidity, affecting the local weather.
64.A thorough study of mythology requires familiarity for the properties of plants and trees, and the habits of wild birds and beasts.
65.Seismology has not reached yet the stage where earthquakes can be foretold with a Feat deal of accuracy.
66.At night the desert floor radiates heat back into the atmosphere and temperature may be drop to near freezing.
67.The continental divide refers to an imaginary line in the North American Rockies that divides the waters flowing into the Atlantic Ocean from it flowing into the Pacific.
68.In every society there are norms that say individuals how they are supposed to behave.
69.Due to the refraction of light rays, this is impossible for the naked eye to determine the exact location of a star close to the horizon.
70.Birds’eggs vary greatly of size, shape, and color.
71.One of the most difficult questions in defining sleep is "What is the functions of sleep?"
72.Seven of planets rotate in the same direction as their orbital motions, while Venus and Uranus rotate in the opposite direction.
73.A microphone enables a soft tone to be amplified, thus making it possible the gentle renditions of romantic love songs in a large hall.
74.Atrophy is a decrease in size of cell, organ, tissues, or other part of the body such as a limb.
43。controlled precisely-->precisely controlled
relationship to=relationship with 和。。。相关
46。is industrial...-->is an industrial...
long=for a long time
49. or be older-->or older
as inevitably as...; so does/has...正象。。。是。。。一样
despite转折词，尽管(介词)=in spite of
60。make up-->make it up
make up 及物动词词组
make up the face 化装
make up sth把。。。组装起来
make up the examinatin 补考
65.reached yet-->yet reached
66.may be drop -->may drop
71.what is -->what are
72.seven of planet-->seven of the planet
seven of,five of,all of,most of后要加the
73.making it possible-->making possible
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