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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  24
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] 【C6】
选项
答案 M
解析 形容词辨析题。空格位于名词hair之前，因此空格处需要填入形容词，与triangular共同修饰hair。空格所在部分的句意为：它们的_______、三角形毛发像三棱镜一样反射光线，产生金属般的反射效果，保护它们免受太阳可怕的热量的伤害。由句意可知，这种蚂蚁的毛发可以反射光线，而毛发越多，反射效果越好，才能达到“金属般的反射效果”，因此空格处应填入含有“多的，浓密的”意义的形容词，故本题答案为M)thick。
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