A-A+
The word carbon (Line 3 Para．2 ) stands for
问题详情
The word "carbon" (Line 3, Para．2 ) stands for ______________
A.intelligent robots
B.a chemical element
C.an organic substance
D.human beings请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
【答案ID【题型l词汇题【解析】题干意为“‘carbon’代表…”。由第二段最后两句“Siliconwillhaveendedcarbon’Slongcontrol．AndWe,willnolongerbeabletOclaimourselvestobethefinestintelligenceintheknownuniverse．”可以看出，Car-bon指代humanbeings，故选Do
