Nowadays, biologists tend to believe that humans
A、occupy the top of the food chin
B、inhait the same level as anchovies
C、rank above autotrophs and herbivores
D、move up to the trophic level of pigs
答案分析：推断题。第三段提到，人类在食物链中大致与猪和凤尾鱼处于同一级别，且人类的排名呈上升状态。第四段提到处于营养级1的是autotrophs“自养生物”，而处于营养级2的是herbivores“食草动物”，结合第七段倒数第二句提到的“人类的营养级接近于2．21”，由此可知，人类的营养级在自养动物和食草动物之上。根据文意可以推出答案为[C]。
A、filling in some online forms bout locl crsh history
B、identifying some lack spots of the local committees
C、reognizing aident-prone roads and reporting them
D、onating money to the funing program on the Internet
A、They depend more nd more on domestic demnd to promote their economies
B、They experience more fluctuations than the average level of the world
C、Their eonomi growth is influened by international trade flows
D、Their epenence on foreign eman will rop this year
E、？
A、Lions in the zoo were sfely locked in the cge for the sfety of the visitors
B、The researcher dissected the dead sheep to make clear the tissue pattern
C、The tamer beat the beast to treat its infetious disease
D、The researcher pinne tightly the belly of the bir to observe its response
A、dvnce ustrli Fir
B、God Save the Queen
C、God Defend Australia
D、Go Save the King