求助英语达人,帮帮忙解题（英语单选题）22.The sky is bright because small particles in the air ______ sunlight.A.directB.guideC.scatterD.transport满分：2 分23.The oldest known systems of education in history had two characteristic

英语单选题求助! 求助英语达人,帮帮忙解题（英语单选题）28.When writing an academic paper,always quote your _______,i.e.,give the names of books,people,etc.used as sources for facts.A.sourcesB.authoritiesC.namesD.information满分：2 分29.During our 求助英语达人,帮帮忙解题（英语单选题）22.The sky is bright because small particles in the air ______ sunlight.A.directB.guideC.scatterD.transport满分：2 分23.The oldest known systems of education in history had two characteristic 英语单选题急帮帮忙 求求英语达人,帮帮忙解题（英语单选题） With the increasing consciousness of self health care,millions of Chinese people ___in a variety of daily physical exercises ranging from the traditional shadow boxing to the modern aerobics.A. 大学英语 单选题2 求求英语达人,帮帮忙解题（单选题）31.____ the houses were knocked down in the earthquake.31.____ the houses were knocked down in the earthquake.A.The number ofB.A great many ofC.A great deal ofD.A great many满分：2 分32._____ they 英语单选题, 一些英语单选题, 英语单选题, 单选题,英语 单选题英语, 单选题英语 单选题,英语 英语单选题急 英语单选题急 英语,单选题 英语单选题,