問題詳情

( C ) The worst of the hazards travelers encounter in the mountainous rainforests of southernIndia is not the elephants though they occasionally kill people; nor the creepy-crawlies, thoughthe sudden appearance of a foot-long ___(26)___ millipede can startle. It is the leeches.If you pause on a walk through the forest, within a minute up to 20 of these brown slimytubes, ranging in size from minuscule threads to fat worms four centimeters long and a quarterin diameter, leap onto your boots. Attracted by heat, they loop swiftly upwards like caterpillarson speed, scaling a Wellington in as little as 15 seconds. Leech socks stop those that climb intoboots from attacking your feet. But others continue upwards, and however assiduously youplucke them off, some ___(27)___ make it onto bare skin and sink their teeth into your flesh. Asthey do so, their salivary glands secrete hirudin, an anticoagulant so effective that thepharmaceutical industry synthesizes it as a blood-thinning agent. ___(28)___ you locate themand pluck them off, your blood flows from their bites for hours.Not surprisingly, Kerala’s rainforests are thinly populated. Only the very determined, witha clear purpose and considerable ___(29)___, venture into them. Among those are SathyabhamaBiju Das, an amphibian researcher at Delhi University, his students and his growing band offollowers. Mr. Biju is a Keralan who spent most of his childhood herding cows. He scraped aneducation, became a plant scientist, but was increasingly ___(30)___ amphibians. In 2003, hediscovered a special species of purple frogs, which according to him gave him everything in hislife. Thereafter, he devoted his life to the taxonomy of Indian frogs.
26.
(A) red-leg
(B) red-legs
(C) red-legged
(D) red-legging

參考答案

答案：C
難度：簡單0.727273
統計：A(1),B(0),C(8),D(1),E(0)

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