37．Manufacturing　由右栏的内容可知，此处为文章提到的第二个分类Manufacturing industries。

　　38．process/transform/turn　根据第三段开头“Manufacturing industries process the products of extractive industries into finished products…”中的process可知。

　　39．secondary　根据第三段最后一句“This is called secondary manufacturing.”可知。

　　40．makes　根据第三段提到的“…iron ore is transformed into steel in factories.”铁矿被转换成钢，即make steel from iron ore。

　　41．operate/function　根据第五段“Without these services, society could not operate.”中的operate可知。

　　42．workers　由第五段“The range of services is very great and includes such things as retailing, office work, education, health care, communications, government, transportation, and personal services.”中的office work转化而来。

　　43．people　根据倒数第二段“…services are provided for people and there are many more people in urban areas.”可知。

　　44．based/dependent　由最后一段“Canada’s economy depends upon the creation of jobs in all three types of industry.”中的depend upon转化而来。

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