山东省日照市2016高考英语完形类和阅读类暑假选练(1)完型填空
阅读下面短文,掌握其大意,然后从以下题所给的A、B、C、D四个选项中,选出最佳选项
Everylivingthinginanecosystemdependsinsomewayuponotherlivingandnonlivingthingsintheecosystem
Thelivingthingsinanecosystemare1
________producersorconsumers
Producersdon'teatotherlivingthings
Producersmakefood
Greenplantsarecalledprimaryproducers
Plantsusenonlivingnutrition,suchas2
________chemicalsinsoilandwatertohelpthemmakefood
Theyuseenergyinsunlighttomakefood
Theyalsousecarbondioxideinairtomakefood
Consumersareanimalseating3
________livingthings
Animals4
________onlyeatplantsarecalledherbivores(食草动物).Herbivoresareprimaryconsumers
Rabbits,mice,5
________planteatinginsectsareprimaryconsumers
Animalseatingotheranimalsarecalledcarnivores(食肉动物).Carnivores6
________bearsandhawksaresecondaryconsumers
Ecosystemsalso