语鹅市安置阳光实验学校2014高考英语单项选择抓分练习（53）及答案Ⅰ.单项填空1．__________ made the little boy so sad is __________ his parents didn’t allow him to go out for a picnic with other boys.A．What；because B．What；thatC．That；because D．That；what解析：选B。
句意：使这个小男孩如此伤心的是他的父母不允许他跟其他男孩出去野餐。
第一空用what引导主语从句，what在从句中作主语；第二空用that引导表语从句，that在从句中不作任何成分，也没有实际意义，只起连接作用。
2．—What did you do yesterday afternoon?—We discussed __________ Mary could join us.A．whether B．ifC．that D．what解析：选A。
句意：“你们昨天下午干什么了？”“我们讨论了玛丽是否可以加入到我们中来。
”discuss后的宾语从句只用whether不用if引导，意为“是否”，且不在从句中作成分。
that在名词性从句中不作任何成分也没有任何意义；what常在名词性从句中作主语、宾语、表语等。
3．The textbook is filled with cases about __________ our life has developed thanks to new inventions.A．what B．whereC．why D．how解析：选D。
句意：课本中有很多关于我们的生活是如何因为新发明而得到改善的例子。
根据句意宾语从句缺少表示方式的状语，故用how引导。
what 不作状语；where表示地点；why表示原因。
4．Desertification，the name for __________ happens when farm land is turned into desert，is a growing world problem.A．which B．whereC．what D．how解析：选C。
高考英语常考基本词汇讲解讲义系列（三）重点单词详解1．occasion n．时机；场合occasion 常与on搭配，on occasion ＝ occasionally, from time to time, at times, sometimes, now and then “有时；偶尔”。
1)You shouldn't have lost control of your temper ________ ________ ________ ________.你不应该在这种场合发脾气。
2)I meet him ________ ________at the club or in the theatre. 我有时在俱乐部或剧院遇到他。
3)All the people involved ________ ________ ________ must be present. 所有与这起案件有关的人都必须出场。
【答案】1)on such an occasion 2)on occasion 3)in this caseoccasion，situation, condition和case用法辨析occasion 指特定的“时机；场合；良机”。
situation往往指“情况；形式”。
condition指某事发展、存在的状况、状态或条件。
case常指事物的特定情况、情况真相，如“病例；案件”等。
occasion后面的定语从句多由when或on which引导；situation，case后面的定语从句多由where或in which引导。
(1)用occasion,case,condition或situation的适当形式填空1)There are _______ when (on which) one must give in.2)Living ________ have improved here over the last few years.3)In the study of modern science, there're many ________ where soldiers can teach officers.4)The current international________is not optimistic.【答案】1)occasions 2)conditions 3) cases 4)situation(2)名校押题It's helpful to put children in a situation ________they can see themselves differently.A．that B．when C．which D．where【答案与解析】 D 考查定语从句的引导词。
