选择题：14. The train.s about to leave. All __________!(本题

题目内容：

14. The train.s about to leave. All __________!(本题5.0分)
A、 aboard
B、 on
C、 off
D、 abroad

参考答案：

由反映总体各单位数量特征的标志值汇总得出的指标是 ()。

由反映总体各单位数量特征的标志值汇总得出的指标是 ()。选择一项：a.总体标志总量b.总体单位总量c. 相对指标

5. Since William had been seriously ill for several months, his parents were wor

下列指标中属于时点指标的有( ）。选择一项或多项：a.某校毕业生人数b.某农场拖拉机台数 c. 某企业某月产品产量d.某地区人口数

90. Hardly had they arrived at the airport ___the plane started to leave.(本题1.0分

11. The rain stopped and the sun __________ to shine.(本题5.0分) A、 came down B、 ca