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姜经志 《中学英语园地(高三版)》2010,(3)
(A)American doctors say that mothers who smoke before their babies are born may slow the growth of their babies' lungs (肺). They say slow lung growth could cause the babies to have breathing problems and lung diseases later in life. Doctors in Boston, Massachusetts(马塞诸塞州) 相似文献
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Adiet rich in garlic(大蒜),onions(洋葱),shallots(青葱),leeks(韭葱)and scallions(韭菜).may cut the riskof prostate(前列腺的)cancer.That is according to anew study by researchers at the U.S.National CancerInstitute. Experts say China has the lowest rate of prostate cancer inthe world.And so-called allium(葱属植物)foods,includinggarlic,onions,shallots,leeks and scallions.shown in previousstudies to have anti—cancer properties,are a staple of Chinese 相似文献
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Cynthia Kirk 《海外英语》2002,(1)
Researchers in the United States say dust clouds from dry African deserts may be a threat to the environment and human health. They say the dust may contain many small organisms(有机体) that could be dangerous to some people. Each year, huge dust storms form in the Sahara and the Sahel deserts of northern Africa. Winds carry the dust across 相似文献
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A Once upon a time, there lived a rich man. He had a servant (仆人) .Both of them loved wine and good food very much. Each time the rich man left his home, the servant would drink the wine and eat up all the nice food in the house. The rich man knew what his servant did, but he had never caught the servant who was just doing that. 相似文献
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《课堂内外(高中版)》2004,(Z1)
When you sneeze, Americans would say "God Bless You" to you. In many Eu-ropean cultures, sneezing traditional-ly is associated with(与……有关联)death. And Americans believe that you are very close to death when you sneeze, because sneezing can expel(驱逐)the soul, thus life will es-cape from(逃脱、逸出)the body. So they say "God Bless You" to a sneezer as a charm against the danger of the moment. Neglecting these magical words means that the sneezer would end up in the next world. How… 相似文献
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American postmodern curriculum theorist Dole first proposed the 4R theory, mainly through book Post-modern Perspective on Curriculum, he dissertated and discussed 4R theory, in the book, in-depth analysis and research of Dole 's understanding of curriculum development, and explored the post-modern paradigm shift, proposed the concept of education matrix, this matrix describes a course experience process based on rich (rich) regression (recursive) relationship (relational) and rigor (rigorous), Dole believes that, the order of four properties is not established due to the rigid structure of structuralism doctrine. 相似文献
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Have you ever seen the man in the moon?If you look closelyat the moon on some nights, you can see the face of the man in themoon. Some people say that they can see an old man carryingsticks. Others see a girl reading a book. These pictures are madeby the mountains (山脉) and plains (平原) of the moon. 相似文献
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Aspecies of Asian frog can cleverly adapt the tone of itsmating call to ensure that it booms out across the jungle(丛林)to lure(引诱)a mate,scientists have found. The male Bornean(婆罗洲)tree-hole frog,Metaphrynella sundana,is the first known case of an animalthat is able to test its acoustic(声音的)environment and thenalter its call accordingly,the scientists say. 相似文献