【简答题】I_____(not see) him for three years .I wonder where he is.
【单选题】听力原文:M: I did not see our boss yesterday. Has he come back? W: He was just back from France after visiting Britain, Germany, and Spain. Q: Which country did the boss visit first? (13)
【单选题】以下选项中,不属于方差——协方差的缺点的是( )。
A.
只反映了风险因子对整个组合的一阶线性和二阶线性影响,无法反映高阶非线性特征
【简答题】根据霍尔元件灵敏度KH的表达式,可知,KH与元件材料的________和________有关
【单选题】当晶格常数相同时,体心立方晶格比面心立方晶格( )。
【单选题】听力原文:M: I did not see our boss yesterday. Has he come back? W: He was just back from France besides visiting Britain, Germany, and Spain. Which country did their boss visit first?
【多选题】关于套级法和评分法的说法正确的是( )。
B.
套级法只能按各工作对企业相对价值的大小,将他们的级别或顺序排出,不能指出各等级间差距的具体大小
C.
套级法能够明确赋予各等级间所对应的数值(分数)
【单选题】当晶格常数相同时,面心立方晶体比体心立方晶体:
【单选题】原地纵跳的下蹲起跳过程中,人体股四头肌做( )。