【单选题】A: Where is Jim? B: Somewhere in the school. According to cooperative principle, this dialogue violates the maxim of______.
【单选题】At the beginning of the article, the author says that ________.
A.
he has never had any good fortune
B.
he has been unlucky all the time
C.
his good fortune has come from misfortunes
D.
he has experienced both good fortunes and misfortunes
【单选题】There are two classes of vessels which,to the extent necessary to carry out their work,do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel().
A.
engaged in fishing in a traffic lane
B.
servicing a submarine cable
D.
engaged on pilotage duty
【单选题】technique [tek5ni:k]
A.
n. 技术, 技巧, 方法, 表演法, 手法
【单选题】三级概算文件编制形式的组成内容包括( )。
A.
建筑工程概算、安装工程概算、设备工器具费概算
B.
工程费用概算、工程建设其他费用概算、预备费概算
C.
建设项目总概算、单项工程综合概算、单位工程概算
D.
分部、分项工程费概算,措施项目概算,其他项目概算
【单选题】一个等腰三角形的顶角是 100 °,它的一个底角是( )。
【多选题】市场比较法中选取的可比实例,从理论上讲应与估价对象具有相关性、替代性,并应符合( )等要求。
【判断题】购买者处于市场有利的地位,该市场为卖方市场。
【简答题】反应 A+B→R+S ,已知平推流反应器 的 V R =0.001m 3 ,物料进料速率 V 0 =0.5×10 -3 m 3 min -1 , c A0 = c B0 =5mol·m 3 ,动力学方程式为 − r A = kc A c B ,其中 k = 0.1 m 3 mol -1 min -1 。求:反应在平推流反应器中进行时出口转化率为多少?