Cansumers are not supposed to throw used computers in the trash because ______A．they conta

外语类 2019-11-06 05:23:15 公共英语已帮助人

Cansumers are not supposed to throw used computers in the trash because ______

A．they contain large amounts of harmful substances

B．this is banned by the California government

C．some parts may be recycled for use elsewhere

D．unscrupulous dealers will retrieve them for profit

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正确答案：A
解析：因果判断题。根据第三段最后一句The machines contain high levels of lead and other hazardous sub- stances, and are already banned from California landfills可以判断。