案例连线题(二十分).请将符合段落意思的标题序号按顺序填写在答题处。 1.Each basin state is ent
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案例连线题(二十分).请将符合段落意思的标题序号按顺序填写在答题处。 1.Each basin state is entitled to ‘a reasonable and equitable share in the beneficial use’ of the waters, in accordance with the relevant factors in each case. And the states are obliged to prevent new forms of water pollution or any increase in the degree of existing pollution which would cause ‘substantial injury’ in the territory of other basin states, and take all reasonable measures to abate pollution. 2.Th

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试题分析: 细菌是单细胞个体,其细胞由细胞壁、细胞膜、细胞质等部分构成,但没有成形的细胞核,只有DNA集中的核区,这是细菌的基本结构,大多数细菌因体内不含叶绿素,只能进行异养生活。异养是指依靠吸收现成的有机物来维持生活的营养方式。分裂生殖是无性繁殖,是所有细菌的生殖方式。真菌每个细胞都具有细胞壁、细胞膜、细胞质和细胞核,属真核生物。能够产生孢子,依靠孢子进行孢子生殖。 大多数真菌因体内不含叶绿素,只能进行异养生活。 考点: 细菌和真菌的特征。
