【简答题】A.一次深吸气后的最大呼气量 B.安静呼吸时每次吸入或呼出的气量 C.一次平静吸气后的最大呼气量 D.安静呼吸时一次最大吸入气量 E.一次深呼吸气后的最大呼气量
【单选题】以下哪种关于决策的概念更正确 _____ 。
A.
决策是人们在工作中为实现某种最优化目标而决定选择最佳行动方案的一种活动
C.
决策是人们在工作中为实现目标而选择行动方案的一种活动
【单选题】某色环电阻的色环依次为蓝红黄金,其阻值为()。
【单选题】在运用例子对概念进行说明时,以下哪种表述是正确的?
A.
不能使用反例,以免干扰对于概念本质特征的理解
B.
应该正例、反例相结合,并进行比较,从而突出概念的本质特征
C.
仅使用正例,这样才能更好地体现概念的本质特征
【简答题】Argentina in the late nineth century was an exciting place. Around 1870, it was experiencing an economic(经济的)boom, and the capital, Buenos Aires, attracted many people. Farmers, as well as a flood...
【多选题】During the construction ofthe Beijing-Zhangjiakou Railway, Jeme Tien Yow________.
A.
felt ashamed for the work relied on foreigners
B.
used Rackarock for the first time in the excavation of caves
C.
decided to dig two shafts above Badaling Tunnel and then excavated to both ends to form six excavation faces to accelerate the progress of the project
D.
reduced the cost of the project greatly and completed the construction as scheduled