皮皮学，免费搜题
登录
搜题
【单选题】
用石墨和稠黄油浸透的棉织填料，一般用在低压水泵上，输送介质温度在（）℃以下。
A.
10
B.
20
C.
40
D.
30
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】下列可以进入工程成本的施工用水项目是( )
A.
职工及家属饮用水
B.
洗涤用水
C.
筛洗砂石料用水
D.
生活区用水
查看完整题目与答案
【简答题】国家标准规定的优先、常用配合在孔、轴公差等级的选用上，采用“工艺等价原则”，公差等级高于IT8的孔均与高一级（）级的轴相配：低于IT8的孔均和同级（）级的轴相配。
查看完整题目与答案
【简答题】某工程项目按照《建设工程施工合同（示范文本）》签订施工合同，合同约定：吊装机械闲置补偿费600元／台班，单独计算，不进入直接费。施工总进度计划如图3-5所示（时间单位：月）。 施工过程中发生下列事件。事件1：开工后，建设单位提出工程变更，致使工作E的持续时间延长2个月，吊装机械闲置30台班。事件2：工作G开始后，受当地百年一遇洪水影响，该工作停工1个月，吊装机械闲置15台班，其他机械设备损坏及停工...
查看完整题目与答案
【单选题】He was diagnosed with cancer last month, but he carried on with his work ______ nothing had happened.
A.
even thought
B.
as if
C.
so that
D.
in case
查看完整题目与答案
【判断题】在现代管理活动中,控制既是一次管理活动的终点,是保证计划得以实现和组织按既定方针发展的管理职能,又是新一轮管理循环的起点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】A: Jim had nothing for breakfast this morning, ? B: . He got up too late.
A.
had he; Yes
B.
hadn’t he; Yes
C.
did he; No
D.
didn’t he; Yes
查看完整题目与答案
【单选题】－Jim had nothing for breakfast this morning , ? － . He got up too late .
A.
  had he, Yes.     
B.
hadn' t he , Yes.         
C.
did he , No .
查看完整题目与答案
【单选题】The man insisted that he ____ nothing wrong and that he _____ free.
A.
had done; be set
B.
did; was
C.
had done; would be
D.
did; would be
查看完整题目与答案
【单选题】He knew nothing about the matter, but he talked as if he __it.
A.
knows
B.
knew
C.
had known
D.
would know
查看完整题目与答案
【单选题】Why didn't John write a longer letter?
A.
He was fired
B.
He had to go out.
C.
He had nothing more to say.
查看完整题目与答案
相关题目：
【单选题】下列可以进入工程成本的施工用水项目是( )
A.
职工及家属饮用水
B.
洗涤用水
C.
筛洗砂石料用水
D.
生活区用水
查看完整题目与答案
【简答题】国家标准规定的优先、常用配合在孔、轴公差等级的选用上，采用“工艺等价原则”，公差等级高于IT8的孔均与高一级（）级的轴相配：低于IT8的孔均和同级（）级的轴相配。
查看完整题目与答案
【简答题】某工程项目按照《建设工程施工合同（示范文本）》签订施工合同，合同约定：吊装机械闲置补偿费600元／台班，单独计算，不进入直接费。施工总进度计划如图3-5所示（时间单位：月）。 施工过程中发生下列事件。事件1：开工后，建设单位提出工程变更，致使工作E的持续时间延长2个月，吊装机械闲置30台班。事件2：工作G开始后，受当地百年一遇洪水影响，该工作停工1个月，吊装机械闲置15台班，其他机械设备损坏及停工...
查看完整题目与答案
【单选题】He was diagnosed with cancer last month, but he carried on with his work ______ nothing had happened.
A.
even thought
B.
as if
C.
so that
D.
in case
查看完整题目与答案
【判断题】在现代管理活动中,控制既是一次管理活动的终点,是保证计划得以实现和组织按既定方针发展的管理职能,又是新一轮管理循环的起点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】A: Jim had nothing for breakfast this morning, ? B: . He got up too late.
A.
had he; Yes
B.
hadn’t he; Yes
C.
did he; No
D.
didn’t he; Yes
查看完整题目与答案
【单选题】－Jim had nothing for breakfast this morning , ? － . He got up too late .
A.
  had he, Yes.     
B.
hadn' t he , Yes.         
C.
did he , No .
查看完整题目与答案
【单选题】The man insisted that he ____ nothing wrong and that he _____ free.
A.
had done; be set
B.
did; was
C.
had done; would be
D.
did; would be
查看完整题目与答案
【单选题】He knew nothing about the matter, but he talked as if he __it.
A.
knows
B.
knew
C.
had known
D.
would know
查看完整题目与答案
【单选题】Why didn't John write a longer letter?
A.
He was fired
B.
He had to go out.
C.
He had nothing more to say.
查看完整题目与答案