【简答题】螺纹按照螺旋线绕行方向可分为( )和( )。
【简答题】对于多元线性回归模型,为什么在进行了总体显著性F检验之后,还要对每个回归系数进行是否为0的t检验?
【单选题】Christmas is around the corner. Let’s make some _______ for it.
【判断题】印度诗歌往往以抒情形式来体现寂静内向、和谐融通的审美情趣。
【判断题】CNCC’s members prepare financial statements, and provide tax, information systems, and management advisory services.
【判断题】供应链管理的目标是最低的成本产出最优的物流服务。
【简答题】低筋粉由软质的白小麦磨制而成,蛋白质含量低,小于(),湿面筋小于(),适宜制作糕点、蛋糕类。
【单选题】Which of the following is true about TFA's 'corps members' and 'alums'?
A.
The corps members stay in schools after finishing their two-year teaching.
B.
The alums don't stay in schools after finishing their two-year teaching.
C.
A corps member will be an alum after finishing the two-year teaching.
D.
A corps member becomes an alum if he or she has quitted halfway.