题目内容

A．whereB．thatC．whichD．how

A. where
B. that
C. which
D. how

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What's the relationship between the two speakers？

A. Husband and wife.
B. Professor and student.
C. Neighbors.

设两个随机变量X与Y独立同分布，p｛X＝﹣1｝＝P｛Y＝﹣1 ｝＝1／2，p｛X＝1｝＝p｛Y＝1｝＝12，则下列各式中成立的是()．

A. p｛X＝Y｝＝1／2
B. P｛X＝Y｝＝1
C. p｛X＋Y＝0｝＝1／4
D. p｛XY＝1｝＝1／4

事业单位随买随用的零星办公用品，在购进时可直接列作支出，不作为存货入账。（）

A. 正确
B. 错误

A．on designB．for peopleC．in architectureD．with buildings

A. on design
B. for people
C. in architecture
D. with buildings