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通常将各种生态因子归纳为______因子、土壤因子、地形因子、生物因子和人为因子等五类。
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Fears of "mad cow" disease spread (1) the globe last week (2) South Africa, New Zealand and Singapore joining most of Britain’ s European Union partners in (3) imports of British beef. In London, steak restaurants were empty follwing the March 20 announcement by scientists that they had found a (4) link between mad cow disease from British beef and its human (5) , Creutzfeldt-Jakob disease(CJD) . Efforts to reassure consumers and governments proved (6) . France, Germany, Italy, Finland and Greece were among countries which announced bans (7) British beef shipments. A committee of EU veterinary experts, meeting in Brussels, (8) new protective measures but said transmission of the disease from cattle to humans was unproven and did not (9) a general ban on British beef exports. Britain’s own main consumer group advised people to (10) beef if they wanted to be absolutely sure of not (11) CJD which destroys the brain and is always (12) . "Could it be worse than AIDS" The stark headline in Friday’s Daily mail newspaper encapsulated the fear and uncertainty (13) Britain. CJD (14) humans in the same way that BSE makes cows mad—by eating away nerve cells in the brain (15) it looks like a spongy Swiss cheese. The disease is incurable. Victims show (16) of dementia and memory loss and usually die (17) six months. Little is known (18) sure about the group of diseases known collectively as spongiform encephalopathies, which explains (19) some eminent scientists are not prepared to (20) a human epidemic of AIDS-like proportions.
对经海关审定应征关税、增值税、消费税和船舶吨税的货物或船舶，纳税义务人应当在海关填发税费款缴纳证的次日起7日内(星期六、星期日和法定节日除外)，向指定银行缴纳税费款。 ( )
Since the 1960s, the British have become more adventurous in their diet and now eat a wide (67) of food from around the world. Many (68) foods such as beef and potatoes have given (69) to seafood and pasta dishes. Fast food has also become more (70) , and hamburger restaurants now (71) the traditional fish-and-chip shops (72) popularity. Numerous Chinese and Indian restaurants and pizza houses provide take-away (73) , and many pubs (public houses) serve (74) from snacks to full meals as well as alcoholic beverages. Traditional English dishes include roast beef and steak-and-kidney pie. The English generally eat three (75) a day. The traditional English breakfast consists (76) any or all of the following: bacon, sausages, grilled (77) fried tomatoes, mushrooms, eggs, or toast. (78) , fewer people now eat a cooked breakfast on a regular basis, (79) various combinations of cereal, toast, juice or fruit, and tea or coffee. The midday meal is usually (80) to as lunch and the evening meal as dinner or, when it is less formal, (81) supper. Northerners often (82) the midday meal dinner and the meal they have in the early evening "tea" The tradition of (83) tea, that is taking tea, biscuits, and cakes at about 4P. M., is (84) Similarly, many people (85) longer have more than a (86) lunch or snack in the middle of the day.
Parents ________________ (倾其所有) to send their sons to university, but considered the thought of educating their daughters extremely foolish.
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