管式反应器的特点有哪些？

By no means __ to her parents.[ ]

A. this is the first time has she lied

B. this is the first time does she tell a lie

C. is this the first time she has lied

D. is this the first time she was lying

商业银行把商业票据、短期国库券专卖给中央银行，属于直接借款。（）

定式合同的解释方法

容易见到角化珠的癌可以确定为

A．分化好的鳞癌

B．分化好的腺

C．移行细胞癌

D．分化差的鳞癌

E．分化差的腺癌

下列各项，不属于相侮传变的是

A．肝病及肺
B．肾水凌心
C．脾虚肝旺
D．脾虚及肺