患者男性，颈部见一直径3cm左右肿物，质柔软。若肿块柔软，色暗红，如海绵状，压之可缩

Debit note is an accounting document detailing amounts due to be paid by ______.

A．a creditor

B．an exporter

C．an importer

D．a debtor

He accidentally _______ he had quarreled with his wife and that he hadn’t been home for a couple of weeks.

A．let out

B．took care

C．made sure

D．made out

实现算法所需的存储单元多少和算法的工作量大小分别称为算法的 【1】 。

氧氮仪动力气的作用为（）。

A.上、下电极的升降

B.下电极的升降

C.投料顶盖的开

D.与分析气体进行参比

站点勘测需具备的条件是什么？请分类说明现场监理在室内覆盖站点和直放站勘查时需要记录哪些数据？