Which of the following could serve as an appropriate title for the passage ?

A．The Theory of Division of Labor

B．Adam Smith as the Discoverer of Division of Labor

C．Adam Smith, the English Economist

D．Division of Labor, an Efficient Way of Organizing Work

[单选题]Which of the following can serve as a title of this text?[A] Hard Time for the Preschoolers[B] Prosperity of Private Schools[C] The Problem for Public Schools[D] Americans 's N0 1 Concern

[单选题]Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?（）A . Increased suction head pressureB . Decreased feedwater temperatureC . Pump recirculating line being open too muchD . Excessive feedwater tempera

[单选题]Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?A．Leaking seal ringB．Insufficient heat transfer from the exhaust valvesC．Blocked cooling water passages to the headD．Excessive scavenging air provided

[单选题]Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?A．A shortage of liquid refrigerant.B．Excessive frost on the evaporator.C．Excessive condenser cooling water.D．Insufficien

[单选题]Which of the following consonant clusters may not serve as the beginning of

[单选题]5 Which of the following factors could cause a company’s gross profit percentage on sales to fall below the expectedlevel?1 Understatement of closing inventories.2 The incorrect inclusion in purchases of invoices relating to goods supplied in the fol

[单选题]Which things could be checked in?A．corrosive articleB．toolC．scissorsD．wine

[单选题]In a computer，which of the following is the longest period? (66) .(66) A．Beat periodB．Machine periodC．Instruction periodD．CPU period

[单选题]Which of the following is NOT mentioned？A．Supermarket. B.Police station. C.School.

[单选题]Which of the following information is NoTmedtioned？A．Who wrote the stories. B.Which story is the longest.C．When we added the stories. D.Who added the stories.