【单选题】世界著名的常青藤盟校是由8所大学组成的体育赛事联盟,不包含哪所大学?
【简答题】The
order came the soldiers the small village the next morning.A. that; had to leave B. that; should leave C. /; must leave D. when; should leave
【多选题】结合样本平均数的标准误 公式,判断下面关于样本容量的说法正确的是______。
C.
样本容量增加到一定程度后抽样误差的降低速度越来越慢
【单选题】The order came that the medical supplies ______ to the village without delay.
【单选题】The order came that the medical supplies _____ to Beijing for the Sars soon.
【单选题】The order came that the medical supplies to Beijing for the H1N1 flu soon.
【简答题】无缝线路在进行维修作业过程中,线路要受到一定程度的破坏,____________、____________会相应降低。