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  3. Most animals seek shade when temperatures in the Sahara Desert soar to 120 d

Most animals seek shade when temperatures in the Sahara Desert soar to 120 d

游客2024-01-21  19
问题     Most animals seek shade when temperatures in the Sahara Desert soar to 120 degrees Fahrenheit. But for the Saharan silver ant,【C1】________from their underground nests into the sun’s brutal rays to【C2】________for food, this is the perfect time to seek lunch. In 2015 these ants were joined in the desert by scientists from two Belgian universities, who spent a month in the【C3】________heat tracking the ants and digging out their nests.  The goal was simple, to discover how the     【C4】________adapted to the kind of heat that can【C5】________melt the bottom of shoes.
    Back in Belgium, the scientists looked at the ants under an electronic microscope and found that their【C6】________, triangular hair reflects light like a prism (棱镜), giving them a metallic reflection and protecting them from the sun’s awful heat. When Ph. D. student Quentin Willot【C7】________the hair from an ant with a【C8】________knife and put it under a heat lamp, its temperature jumped.
    The ants’ method of staying cool is【C9】________among animals. Could this reflective type of hair protect people? Willot says companies are interested in【C10】________these ants’ method of heat protection for human use, including everything from helping to protect the lives of firefighters to keeping homes cool in summer.
A) adapting           I) remote
B) consciously        J) removed
C) crawling           K) species
D) crowded            L) specimens
E) extreme            M) thick
F) hunt               N) tiny
G) literally          O) unique
H) moderate                        [br] 【C9】
选项
答案 O
解析 语义推断题。空格位于系动词is之后，因此空格处需要填入形容词或动词的分词形式。空格所在部分的句意为：蚂蚁保持凉爽的这种方法在动物中是_______。本句说明了这种方法的特点，在备选项中，只有O)unique是形容性质特点的，故为本题答案。
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