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A . Fire Upstairs in the Neighbor‘s House B . A Mysterious Fire That Causes No Death C . Teen Braves Blaze to Help Neighbors in Need D . Importance of Neighbor‘s Help in Times of Difficulty

A . How to Package a Product. B . How to Make an Advertisement. C . How to Sell Product. D . How to Attract More Buyers.

A．The Human Sense of Smell B．Dogs Have Poor Eyesight C．Sense of Smell D．Dogs Have Excellent Sense of Smell

A．Family. B．American Families. C．Family Types. D．Four Family Types in America.

A．Fingerprints and Their Use B．Policemen and Fingerprints C．Fingerprints Are Useful Evidence D．Fingerprints Identify Criminals without Mistake

A．Consumer's Purchasing Power B．Relationship between Income and Purchasing Power C．Traditional Assumptions D．Studies in Consumer Behavior

A) Human behavior. B) Creatures of Society. C) The Science of Custom. D) The Functions of Cultures.

A．Bargaining and Compromise. B．Wise and Compromise in Britain. C．Britain and Europe. D．Setbacks of Compromise.

A．Numeracy might explain B．Save early, save wisely C．How to handle the crisis？ D．The erratic pattern of payment

A．When Was the Umbrella Invented？ B．The History of Umbrella C．Umbrella—A Symbol of Honor D．Who Used Umbrella First？

A．What a Rabies B．The Horrible Rabies C．What Are Animal Bites D．How to Control Rabies

A．When was the Umbrella Invented？ B．The History of Umbrella C．Umbrella—A Symbol Honor D．Who Used Umbrellas First？

A．A Good Soldier Likes Fighting. B．Good Doctors Like the Patient. C．Which Is First, Work or Money？. D．Work and Money.

A．How Language Came into Being B．Language and Human Experience C．Poet: a Master of Words D．Language and Its Use

A．To Find New Kinds of Power Is Urgent B．The Increasing of the World Population C．Riches of the Sea D．Man Can Farm under the Sea in the Future