THAN WHICH CONTRIBUTE A. THESE NUTRIENTS CAN (56)______TO THE BREEDING OF THE ORGANISMS
B. MORE (57)______2, 600 SQUARE KILOMETERS
C. (58)______CARRY POISONOUS SUBSTANCES THE TERM "RED TIDE" APPLIES TO THE DISCOLORATION OF WATER THAT SOMETIMES OCCURS IN CERTAIN AREAS OF THE OCEAN OR SEA. ALTHOUGH THE COLOR IS OFTEN RED, IT MAY ALSO BE SHADES OF BROWN OR YELLOW. THE WORLD BOOK ENCYCLOPEDIA REPORTS THAT "THE DISCOLORED AREAS MAY RANGE FROM LESS THAN A FEW SQUARE YARDS TO(59)______." WHAT CAUSES SUCH DISCOLORATION? RED TIDES ARE GENERALLY CAUSED BY SEVERAL SPECIES OF SINGLE-CELLED ORGANISMS. THESE TINY ORGANISMS HAVE HAIR-LIKE PROJECTIONS WHICH THEY USE TO PROPEL THEMSELVES IN WATER. THERE ARE ABOUT 2,000 VARIETIES OF THESE ORGANISMS, 30 OF (60)______ THESE MINUTE ORGANISMS USUALLY STAY IN WARM WATERS WITH HIGH CONTENT OF SALT. A RED TIDE OCCURS WHEN THERE IS A SUDDEN AND RAPID BLOOM OF THESE ORGANISMS. THE CONCENTRATION OF THESE ORGANISMS MAY SWELL TO 50, 000, 000 PER QUART OF WATER! ALTHOUGH SCIENTISTS DO NOT FULLY UNDERSTAND WHY THIS HAPPENS. IT IS KNOWN THAT THESE ORGANISMS ACCUMULATE WHEN CERTAIN CONDITIONS SIMULTANEOUSLY AFFECT THE WATER. THESE INCLUDE ABNORMAL WEATHER, OPTIMUM TEMPERATURES, AN OVERSUPPLY OF NUTRIENTS IN THE WATER, A GENEROUS AMOUNT OF SUNLIGHT, AND FAVORABLE WATER CURRENTS. WHEN A HEAVY RAINFALL OCCURS, MINERALS AND OTHER NUTRIENTS ARE SOMETIMES WASHED FROM THE LAND INTO COASTAL WATER. (61)______. THE RESULT? RED TIDES!
第1题
成功,不论大小,都取决于一些因素,包括努力、机遇和灵感。人们取得成功的方式也不同。商人只有抓住机遇才能获利;运动员不经过长期的严格训练不可能夺冠。同样,艺术家找不到灵感时也难实现突破。总之,机遇垂青那些有准备的头脑。
请帮忙给出正确答案和分析,谢谢!
第2题
The new business model will require a corresponding on-demand operating environment—built on open standards to allow quick, easy and cost-effective innovation and reconfiguration. In the on-demand era, processes will have to be integrated from one end to the other—so a customer order,for example, creates a ripple effect in which every part of the organization responds appropriately to the impact of the order: logistics, manufacturing and distribution. The level of integration needed to make this happen is a big challenge but a huge opportunity. In this era, youll need an e-business partner you can trust, e-business tools that work in new ways and e-business people who understand your business as well as the technology it runs on. A partner, in other words, like IBM.
请帮忙给出正确答案和分析,谢谢!
第3题
AMore than three years after moving from Australia to this Bremote point of England, we are Cstill learning how things Dhave done here.
此题为多项选择题。请帮忙给出正确答案和分析,谢谢!
第4题
Historically, no artists Ahave presented clearer or Bthe more complete Crecords of the development of human culture than sculptors Dhave.
此题为多项选择题。请帮忙给出正确答案和分析,谢谢!
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