大事记
参考答案：
是以档案记载为主体依据，按时间顺序简要记述特定历史时期的重大事件和重要活动的史料型参考资料，属于三次文献。
根据句意，用所给动词的适当形式填空。
小题1:—We haven’t heard from Jane for a long time.
—What do you suppose _______(happen) to her?
小题2:The second Youth Olympic Games _______(hold ) in Nanjing in 2014.
小题3:I tried many ways I could think of _______ (stop) the little boy from crying.
小题4:Some students seem to have difficulty _________(control)their actions.
小题5:The little girl dare __________ (swim) in this deep river now.
众数比中位数更精确。 [ ]
