1-89. {Prehistoric} villagers {tended to} work harder, suffer {from} more diseases, and eat {the} poorer diet than nomadic hunters did. A) WHY NOT B? 1-96. Cyclamates were introduced in the early 1950’s {as} alternative sweeteners {for} use {by individuals} who needed {reducing} their sugar intake for medical reasons. A) WHY NOT C? 1-100. Iron {is} one of the basic {element} of {which} the world {is made}. A):B WHY NOT D? 1-116. The {layers of} an elephant’s tusk are deposited {from} the pulp, {yet} that the innermost layer is the {newest}. A):C WHY NOT B? 1-131. {As sweeteners}, there is very {small} difference between honey and sucrose, {although} the former does contain minimal {quantities} of vitamins, minerals, and amino acids. A):B WHY NOT A? 作者: xiang1jp 时间: 2003-7-26 23:04
1-89. D "the poorer" means " poor persons" as noun not adj., here need "poorer diet" B "tend to do" is correct.
1-100. B "elements", "one of + plural form of noun" is a key point of ETS. D is a complete sentence with which.
1-131. B "little". difference is a abstract noun. 作者: bradzwz 时间: 2003-7-26 23:54
关于need to be done or need doing字典中说读可以， 为何这儿need doing 不行？
WHY NOT B?