294. Recycling electronic waste is a dangerous and specialized matter, and environmentalists maintain the state must support recycling efforts and ensure that the job isn't contracted to unscrupulous（毫无顾忌的）junk dealers who send the toxic parts overseas.

译文　回收电子垃圾是一项危险而又专业的任务，环保人士认为该州必须支持人们为回收工作所付出的努力，同时还必须确保这项工作不被承包给那些会将垃圾中有害的部分送往海外的肆无忌惮的废品处理商。

点睛　本句是一个并列复合句，主干是Recycling electronic waste is a...matter, and environmentalists maintain...。the state must support...the toxic parts overseas为省略that的宾语从句，作maintain的宾语，其中还包含一个由that引导的宾语从句，作ensure的宾语。

specialized意为“专门的，专业化的”。如：

Specialized knowledge is sometimes more valuable than general knowledge. 专业知识有时比常识更有价值。

contract意为“缔结；订契约”。如：

The two companies have secretly contracted an agreement. 这两家公司已经私下缔结了一项协议。

考点归纳　maintain含义丰富，以下是其用法总结。

表示“保持；持续；使继续”。如：

Food, air and water are necessary to maintain life. 食物、空气和水分是维持生命所必需的。

He is responsible for maintaining good relationship with our suppliers. 他负责同我们的供应商保持良好的关系。

表示“保养；维修，维护”。如：

The car has to be constantly maintained. 汽车必须经常保养。

表示“坚持；主张；断言”。如：

His lawyer maintains that the accusation is groundless. 他的律师坚称该指控是毫无根据的。

表示“供给，赡养；负担”。如：

The supply of water and electricity will be maintained. 水电的供应将会得到保障。

It's not easy for the peasant to maintain his son at college. 这位农民要供养上大学的儿子并不容易。

英语六级阅读