| Why has the kiwi survived while its
relatives the moas have become extinct One reason, I think, is that it has
adopted nocturnal(夜间活动的) habits. Kiwis are not normally about in the daytime.
During the daylight hours they lie up in hiding, where enemies have no hope of
finding them. Their coloration protects them; the strange drab(黄褐色的) feathering,
so unlike that of most birds, gives them a cloak(伪装)of invisibility while they
sleep. And when night falls, out they come to scratch in the ground and find
worms and feed to their hearts’ content. They couldn’t do that so effectively if they didn’t have another peculiarity that I have not mentioned yet. The nostrils(鼻孔) of most birds open high up near the base of the beak(猛禽的嘴), but the kiwi wears his nostrils right near the tip of the long bill. That’s good for a bird that feeds in th A. it stays out of sight and sleeps during the day B. it usually goes from place to place during the day C. it changes the colour of its feather in the daytime D. it is caught and eaten by its enemy in the daytime [填空题]Learning Esperanto has been demonstrated to help with learning other foreign languages.
[单项选择]
W: Has Bob moved yet A. He refuses to answer the woman’s question. B. He is pretty sure that Bob is paying more for rent. C. He doesn’ t know where Bob moved to. D. He doesn’t know about the rent of Bob’s new house. [单项选择]From the very beginning, water has furnished man with a source of food and a highway to travel. The first civilizations arose (76) water was the dominant element in the environment, a challenge (77) man’s ingenuity. The Egyptians invented the 365-day calendar (78) the Nile’s annual flooding. The Babylonians (79) were among the most famous law-makers in ancient times, invented laws (80) water usage. Water inspired the Chinese to build a 1,000 miles’ canal, a complex system (81) , after 2,500 years, remains particularly in use and still commands the astonishment of engineers. But the ancients never found complete solutions (82) their water problem. The Yellow River is also known as "China’s Sorrow". It is so unpredictable and dangerous (83) in a single flood it has caused a million deaths. Floods slowed the great (84) of the Indus River Valleys, and innumerable damages ruined much of its land. Today, water do
A. who B. in which C. which D. by which 我来回答: 提交
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