问答题Owing to the remarkable development in mass-communications, people everywhere are feeling new wants and are being exposed to new customs and ideas, while governments are often forced to introduce still further innovations for the reasons given above.
单项选择题A.-50℃.B.-68℃.C.-70℃.D.-88℃.
问答题Under modern conditions ,this requires varying measures of centralized control and hence the help of specialized scientists such as economists and operational research experts.
单项选择题A.which is very richB.with only more than one million populationC.which produces oilD.all the above
填空题Before Mike became an actor, what kind of school did he go to