2014英语专业八级全真模拟试题(3)

The passage contains TEN errors. Each indicated line contains a maximum of ONE error. In each case, only ONEword is involved. You should proofread the passage and correct it in the following way:
For a wrong word, underline the wrong word and write the correct one in the blank provided at the end of the line.
For a missing word, mark the position of the missing word with a "A" sign and write the word you believe to be missing in the blank provided at the end of the line.
For an unnecessary word, cross the unnecessary word with a slash "/" and put the word in the blank provided at the end of the line.

Example
When∧ art museum wantsa new exhibit, ( 1 ) an
It never buys things in finished form and hangs (2) never
them 'on the wall. When a natural history museum wants an exhibition, it must often build it. (3) exhibit
Human visiun like that of other primates has evolved in an arboreal
environment. In the dense complex world of a tropical forest, it is more
important to see as well than to develop an acute sense of smell. In the 41._____
course of evolutiun members of the primate line has acquired large 42. _____
eyes while the snout has shrunk to give the ey, e an tmimpeding view.
43. _____
Of mammals 0nly humans and some primates enjoy color vision. The red
flag is black to the bull. Horses live in a monochrome world, Light visible to
human eyes, therefore, occupies only a very narrow band in the whole 44. _____
electromagnetic spectrum. Ultraviolet rays are invisible to humans though
ants and honeybees are insensitive to them. Humans have no direct perception 45. _____
of infrared rays like the rattlesnake that has receptors tuned into 46. _____
wavelengths longer than 0.7 micron. The world would look eerie different 47. _____
if human eyes are sensitive to infrared radiation. Then instead of the darkness 48. _____
of night, we would be able to move easily in a strange shadowless world
where objects glowed with varying degrees of intensity. But human eyes excel
in other way. They are in fact remarkably discerning in color gradation. 49. _____
The color sensitivity of normal human vision is rarely surpassed even 50. _____
sophisticated technical devices.

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