选择题：.If law and ordernot preserved,people will not be

题目内容：

.If law and order
not preserved,people will not be able to live a secure life.
A.are
B.were
C.is
D.was

参考答案：

The father,along with his two sons,from the big fi

The father,along with his two sons,from the big fire by the firefighters.A.have

分类：专升本英语题型：选择题

分类：专升本英语题型：选择题

Women employeesthe same salaries as men for doing the same work.A.are payingB.ha

分类：专升本英语题型：选择题

电源电压为+12V的555定时器、组成施密特触发器，控制端开路，则该触发器的回差电压△VT为（）。A.4VB.6VC.8VD.12V

分类：专升本英语题型：选择题

分类：专升本英语题型：选择题