【判断题】旋挖钻机正常工作每240h更换一次机油。
【简答题】已知复数z=(2m 2 +3m-2)+(m 2 +m-2)i,(m∈R)根据下列条件,求m值. (1)z是实数; (2)z是虚数; (3)z是纯虚数; (4)z=0.
【判断题】等热范围是机体代谢随着环境温度改变,适当温度使代谢强度和产热量保持在生理最低水平。这种温度称为等热温度或代谢稳定区。
【简答题】短文填空 根据短文内容及首字母提示,补全空格内单词,使短文完整、通顺。(请在答题纸上写出完整单词) There were three old teachers at the railway station. They were talking happily. The train a 小题1: , but they did not notice (察觉). Then the conductor(列...
【单选题】从监理大纲、监理规划和监理实施细则内容的关联性来看,监理规划的作用是:( )。
【简答题】根据短文内容及首字母提示,补全空格内单词,使短文完整、通顺。(请在答题卡上写出完整单词 ) Lifelong learning When you finish high school o 小题1: university, is learning done? The answer is “No”. In many countries, people continue learning all the...
【简答题】在短文的空格内填入适当的词,使内容通顺,每空格限填一词,首字母已给出。 The Empire State Building (帝国大厦) has held a special place in the hearts of Americans since it was completed in 1931.It r__ 1 __ more than 443 metres into the sky. F...