皮皮学,免费搜题
登录
搜题
【单选题】
下列关于水的三相点说法正确的是:
A.
水的三相点就是冰点
B.
水的三相点受压强的影响
C.
水的三相点处f=0
D.
r>
E.
水的三相点处φ=2
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】异步电动机的机械特性曲线,当电源电压下降时,Tmax及Sm将分别()。
A.
不变,不变
B.
不变,减小
C.
减小,不变
D.
减小,减小
【单选题】启事的格式由标题、()和落款三部分组成。
A.
主体
B.
主干
C.
正文
D.
主旨
【单选题】My friend ______ from the UK. She studied at Oxford for four years, during which we communicated with each other on the Internet.
A.
stepped
B.
has returned
C.
went
D.
has learned
【单选题】Why is the Aral Sea disappearing?
A.
Because the water that used to flow into the Aral Sea has been turned away for irrigation.
B.
Because the water in the Aral Sea is evaporated due to extremely high temperature.
C.
Because of part of the Aral Sea is filled to build houses.
D.
Because there is sharp decrease in rainfall in recent years.
【单选题】异步电动机的机械特性曲线,当电源电压下降时,Tmax及Tsm将分别( )。
A.
不变,不变
B.
不变,减小
C.
减小,不变
D.
减小,减小
【单选题】Why not __ _ the sea? [     ]
A.
  to swim in
B.
  swimming to
C.
  swim in
【简答题】启事的格式由标题、()和落款三部分组成。 A主体 B主干 C正文 D主旨
【单选题】My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.
A.
studied
B.
has studied
C.
had studied
D.
has been studying
【单选题】异步电动机的机械特性曲线,当电源电压下降时, Tmax 及 Sm 将分别( )。
A.
不变、不变
B.
减小,减小
C.
减小,不变
D.
不变,减小
【简答题】试题三(16分) 阅读下列说明,回答问题1至问题4,将解答填入答题纸的对应栏内。 【说明】 某政府部门先期招标选定监理单位对其应用系统开发项目实施全过程监理。监理协助建设单位确定业务需求后,由招标代理机构启动了该项目招投标工作,在招投标过程中,发生如下事件: 【事件1】为了节约成本及增加招标成功率,招标代理机构先期发布了招标预审公告。 【事件2】预审过程中,投标资质符合要求的单位不足3家,建设单位...
相关题目: