【单选题】购买过程是从企业的某些人叫认识要购买某种产品以满足企业的某种需要开始的。认识需要由两种刺激引起,其中属于外部刺激的是( )。
A.
企业最高管理层决定推出某种新产品,因而需要采购生产这种新产品的新设备和原料
B.
有些机器发生故障或损坏,需要购置零部件或新机器
【单选题】How many parts are necessay?
【单选题】P78 用must 或 have to来替代划线的部分。 3. She said it would be necessay for us to stay here.
A.
She said we must stay here.
B.
She said we had to stay here.
C.
She said we would have to stay here.
【单选题】成活率核查:以( )为单位,采用随机抽样方法检查造林成活率。
【单选题】Is _____ necessay to complete the design before National Day?