【单选题】Canada is one of the few forested nations ---- forests are mostly public property.
【单选题】听力原文:W: Whereas European nations have traditionally employed metric units such as meters and grams, the US has employed English units such as feet and pounds. M: Both systems are now in use in the US,...
C.
Weights and measurements.
【单选题】以程序存储和程序控制为基础的计算机结构的提出者
【简答题】根据下面资料,回答1-4题: 我国某城市正举办一大型运动会,为此该城市邮政企业开展了以下工作: ①组织邮政人员定时定点到大会现场办理邮政业务; ②在辖区邮局内配备了电子邮件多媒体服务终端; ③将开取邮筒信箱频次由每日两次增加为三次; ④制作与运动会有关的集邮品,并开通网上集邮业务。 从上述信息可以看出,该邮政企业致力于提高()。A.邮政通信服务水平 B.邮政普遍服务水平 C.邮政网络运输水平 D....
【判断题】通过数据离散化,可以实现缩减数据量的效果。
【单选题】The United Nations Conference on Drug Abuse, which was held earlier this year in Vienna, was a very______meeting.
【简答题】水准网条件方程可以根据( )和( )条件建立。