患者女性，37岁，近日常感剑突下正中或偏左疼痛不适，多发生在进食后0.5～1小时，至

婚前检查的内容包括（）

A.询问双方病史

B.双方进行体格检查

C.要求双方均做常规检查

D.须检查双方血亲三代

E.必要时进行智商测定

在基层下设置垫层的条件中，垫层的宽度应与路基宽度相同，其最小厚度为( )mm。

A．100

B．150

C．200

D．300

一般在教育教学活动前进行，为作出某种安排的评价称为（）。

An assisted birth using forceps or a vacuum extractor may be performed for ineffective pushing, for large neonates, to shorten the second stage of labor, or for a malpresentation. When caring for the mother following an assisted birth, the nurse should keep which of the following in mind（）

A. A vacuum extractor is safer than forceps because it causes less trauma to the neonate and the mother’s perineum.

B. The neonate will develop a cephalohematoma as a result of the instrumentation.

C. The use of instruments during the birth process is a fairly rare occurrence.

D. Additional nursing interventions are needed to ensure an uncomplicated postpartum.

锡钎焊的焊接条件中，润湿就是表现钎料迅速地流散在整个接头表面，并通过（）反应扩散成为合金属的能力。

A.合金层

B.轩料

C.母材

D.焊接点