[单选题]往复式压缩机在装配时，十字头与( )组件必须一同修刮，否则-我要搜题网

[单项选择]水解度越（）聚炳烯酰胺分子中酰胺基转化为羟基部分所占百分数越高。
A. 小
B. 大
C. 恒定
D. 平稳

[单项选择]关于契约登记制度采用形式审查主义的叙述，不正确的是______。
A. 申请不进行实质性审查
B. 申请只进行形式审查
C. 按土地登记申请人提交的文件资料予以审查
D. 过问土地权利是否真实

[单选题]进行现况调查研究时，调查时间通常确定在
A.一年内
B.若干年内
C.短时间内或每个时点
D.间隔一定时间重复一次
E.对时间没有要求

[判断题]建立一个完善的安全生产责任制体系的总要求是:横向到边、纵向到底,实现工作无缝隙衔接,并由企业的主要负责人组织建立。 ( )
A.正确
B.错误

[不定项选择题]共用题干 New Changes in American Life
Once it was possible to define male and female roles easily by the division of labor. Men worked outside the home and earned the income to support their families,while women cooked the meals and took care of the home and the children.______(46)But by the middle of this centu-ry,men's and women's roles were becoming less firmly fixed.
In the 1950s,economic and social success was the goal of the typical American.But in the 1960s a new force developed called the counterculture.______(47)The counterculture presented men and women with new role choices.Taking more interest in childcare,men began to share child-raising tasks with their wives.In fact,some young men and women moved to communal homes or farms where the economic and childcare responsibilities were shared equally by both sexes.______(48)Some young men refused to be drafted as soldiers to fight in the war in Vietnam.
In terms of numbers,the counterculture was not a very large group of people._______(49) Working men of all classes began to change their economic and social patterns.Industrial workers and business executives alike cut down on"overtime"work so that they could spend more leisure time with their families.Some doctors,lawyers,and teachers turned away from high paying situations to practice their professions in poorer neighborhoods.
In the 1970s,the feminist movement,or women's liberation,produced additional economic and social changes.Women of all ages and at all levels of society were entering the work force in greater numbers.______(50)But some women began to enter traditionally male occupations: police work,banking,dentistry,and construction work.Women were asking for equal work,and equal opportunities for promotion.
Today the experts generally agree that important changes are taking place in the roles of men and women .Naturally,there are difficulties in adjusting to these transformations. _______(48)
A.In addition,many Americans did not value the traditional male role of soldier.
B.Most of them still took traditional women's jobs as public school teaching,nursing,and secretarial work.
C.These roles were firmly fixed for most people,and there was not much opportunity for women to exchange their roles.
D.But its influence spread to many parts of American society.
E.The people involved in this movement did not value the middle-class American goals.
F.A great many jobs that used to belong to men are now taken by women.

[单选题]往复式压缩机在装配时，十字头与( )组件必须一同修刮，否则可能会产生十字头跑偏的情况。A.A 曲轴 B.B 连杆 C.C 中体 D.D 气缸

热门试题:

[单选题]往复式压缩机在装配时，十字头与( )组件必须一同修刮，否则可能会产生十字头跑偏的情况。
A.A 曲轴
B.B 连杆
C.C 中体
D.D 气缸