unit 1 第三课时 learning about language ⅰ.单项填空 1．(2007•全国ⅰ，22) some preschool children go to a day care center，________they learn simple games and songs. a．then b．there c．while d．where 答案：d 题意：一些学龄前儿童到日间托儿所学习，在那儿他们学习简单的游戏和歌曲。非限制性定语从句主要成分完整，需要关系副词引导。先行词a day care center与地点有关，选用where。 2．(2007•湖南，32)by serving others, a person focuses on someone other than himself or herself，________can be very eyeopening and rewarding. a．who b．which
