I t worried her a bit __________ her hair was turning grey. A. while B. that C. if D. for
阅读下文，完成1－3题。（9分，每小题3分） 食品添加剂，防不胜防（节选） 据统计，食品业每年花在食品添加剂上的投资高达200亿美元，生产商用这
联合国教科文组织在1978年就将戈雷岛列入世界文化遗产名录的原因是 A．戈雷岛是近代血腥奴隶贸易的直接见证 B．戈雷岛是西非的旅游胜地 C
“大跃进”运动和人民公社化运动的严重失误，是片面强调了党的“鼓足干劲、力争上游、多快好省地建设社会主义”总路线中的 （ ） A．多B．
George Gershwin, born in 1998, was one of America’s greatest composers. He published his first song when he was eighteen years old. During the next twenty years he wrote more than five hundred so
写出直线2x-y+1=0的参数方程，并求直线上的点M(1，3)到点A(3，7)、B(8，6)的距离.
--He is eager to try something he has never tried before. --Oh I see. That’s ______he’s different from others. A. when B. where
