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(一)阅读下面的文段,回答1—4题。生物具有完善的调控,可以保证机体各种生命活动的协调统一和对环境的适应。无论是复杂的多细胞动物,或是一个微小的单细胞,它们各个组成部分的活动都是互相协调,互相配合的。另一方面,生物生存于环境中,不能脱离环境而存在,但环境又是不断变化着的,如温度的升高或降低,空气的潮湿或干燥等,所以,生物必须能够适应这些变化才
(a) Read the following paragraph and answer questions 1-4. The organism has perfect control and can guarantee the coordination and unity of various life activities of the organism and its adaptation to the environment. Whether it is a complex multicellular animal or a tiny single cell, the activities of its various components are coordinated and coordinated with each other. On the other hand, organisms live in the environment and cannot exist without being out of the environment, but the environment is constantly changing, such as the increase or decrease of temperature and the humid or dry air. Therefore, organisms must be able to adapt to these changes.