2008.7.12大陆(重复2007.1.14大陆)（2008.7.12 continent (repeat 2007.1.14 continent)）.docVIP

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2008.7.12大陆(重复2007.1.14大陆)（2008.7.12 continent (repeat 2007.1.14 continent)）.doc

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2008.7.12大陆(重复2007.1.14大陆)（2008.7.12 continent (repeat 2007.1.14 continent)）

2008.7.12大陆(重复2007.1.14大陆)（2008.7.12 continent (repeat 2007.1.14 continent)） 2008.7.12 CN (CN 2007.1.14) Test time: 2008.7.12 The test area: the mainland Type: reading test Test content: A, Ca**y., Nian, and Ca, (a similar circadian activity rhythm of the animal) Many animal have a similar circadian activity rhythm, called Ca**y.., is characterized by many aspects: such as migration, seasonal reproduction, with seasonal variation of daily activity cycle, the length of the adjustment (here except problems). The activity rhythm plays an important role in animal. Small mammals are generally nocturnal nocturnal, but not all the time like mammal activity. A lot of animal to delay their time to predator and natural enemies (here there are questions, stagger stagger; for example, ask why) a bat... Similarly, a large carnivorous animal; for example, a leopard or lion prey with its perfect meshing gear activity rhythm (the synonym test, the gear test, the answer is coincide or what), in order to ensure adequate supply of food. In addition to this type of grams, accompanied with type species will stagger the time, or in order to reduce the environmental pressure, either to reduce the pressure of common food. For example, some two species in the environment, their prey capture time staggered, the type of food is not the same, so will be reduced due to the same kind of food demand competition (here there are problems, ask why concomitant type species is to stagger the time). What is the Ca**y by internal factors intro... And external factors extra... Decide? Various studies have. A study on flying squirrel shows that they are in a dark environment, Ca**y rhythm also be a few minutes (with the synonymous conversion problems); but some studies show that a kind of animal in a non natural rhythm: non environmental cycle of 24 hours, and then get back to the natural environment -- 24 hour cycle environment, it quickly adjusted, showed that Ca**y affected by environment. The conclusi