AccordingtothepassagewecanseethatChinesepeoplethinkofthepigasa______animal. A: clever B: rich C: good D: alltheabove

Theword“shop”underlinedinParagraph5refersto______. A: purchasebyasupermarket B: purchasebyafoodproducer C: shoppingbygeneralconsumers D: alltheabove

Inthe（）refrigerationcompressoroneendofthecrankshaftextendsthroughthecrankcasehouseforconnection,viaacouplingorpulley,toanexternaldrivemotor. A: open-type B: hermetic C: semi-hermetic D: alltheabove