7.(2013陕西卷)19.Marco Polo is said to have sailed on _______Pacific Ocean on his way to Java in ______thirteenth century.
A. the; a     B. a;不填    C.不填;the    D. the; the
【答案】D
【解析】考查冠词。第一个空海洋名称是专有名词用定冠词the，第二个空是世纪年代用定冠词the。句意：据说，13 世纪时，马可•波罗在去爪哇岛的途中就已经在太平洋上航行过。
8.(2013浙江卷)15.People develop ______ preference for a particular style of learning at ______ early age and these preferences affect learning.
A. a; an             B. a; 不填            C. 不填; the         D. the; an
【答案】A
【解析】考查冠词。短语a preference for…对……的偏好；at an early age在年纪很小时，故均用不定冠词。句意：人们在年纪很小的时候偏好于某种特别的学习方式，这些偏好影响着学习。