It's necessary _______ us to keep our pe

The strong evidence as well as these new facts _____ prove the prisoner’s innocence the next time the case comes to trial.

A．is going to

B．are going to

C．was going to

D．were going to

明朝后期，“末富居多，本富居少”的现象主要反映了当时（ ）

A．贫富分化日益加剧

B．商品经济日益发达

C．资本主义萌芽产生

D．自然经济开始瓦解

软件是程序、数据和______的集合。

免疫细胞产生、增殖、分化、成熟的场所是（）

A.胸腺和淋巴结

B.骨髓和淋巴结

C.骨髓和胸腺

D.胸腺和脾

E.骨髓和脾

签订《质押担保借款合同》是应注意的内容有哪些？