2. 外语
  3. A. quite B. mountainous C. disadvantages D. by E. deserved F. compare G. range H. with I. developed J. flat K. equal L.

A. quite B. mountainous C. disadvantages D. by E. deserved F. compare G. range H. with I. developed J. flat K. equal L.

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问题     A. quite B. mountainous C. disadvantages D. by E. deserved
    F. compare G. range H. with I. developed J. flat
    K. equal L. earned M. failure N. generated O. for
    Our ape-men forefathers had no obvious natural weapons in the struggle【C1】______ survival in the open. They had neither the powerful teeth nor the strong claws of the big cats. They could not 【C2】______ with the bear, whose strength, speed and claws provided an impressive "small-fire" weaponry. They could not even defend themselves【C3】______ running swiftly like the horses, zebras or small animals. If the ape-men had attempted to compete on those terms in the open, they would have been doomed to【C4】______ and extinction. But they were endowed with enormous concealed advantages of a kind not possessed by any of their competitors.
    In the search for the pickings of the forest, the ape-men had【C5】______efficient stereoscopic vision and a sense of colour that the animals of the grasslands did not possess. The ability to see clearly at close range permitted the ape-men to study practical problems in a way that lay far beyond the reach of the original inhabitants of the grassland. Good long-distance sight was【C6】______ another matter.
    Lack of long-distance vision had not been a problem for forest-dwelling apes and monkeys because the higher the viewpoint, the greater the【C7】______ of sight—so what they had had to do was climb a tree. Out in the open, however, this simple solution was not available. Climbing a hill would have helped, but in many places the ground was【C8】______. The ape-men adopted the only possible solution. They reared up as high as possible on their hind limbs and began to walk upright.
    This vital change of physical position brought about considerable【C9】______. It was extremely unstable and it meant that the already slow ape-men became slower still. However, they persevered and their bone structure gradually became adapted to the new, unstable position that【C10】______ them the name Homo Erectus, upright man.
【C2】
选项
答案F
解析 空格前的could not提示空格处应填入动词作谓语。上一句说猿人祖先没有大型猫科动物那样强有力的牙齿和坚硬的爪子，因此推断此处表示“他们没法与熊相比”，compare with“与……相比较”，符合句意。equal作“比得上”时，为及物动词，后不跟with，故排除。
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