皮皮学，免费搜题
登录
搜题
【单选题】
DK-1型制动机中电空阀257为( )电空阀。
A.
缓解电空阀
B.
中立电空阀
C.
制动电空阀
D.
过充电空阀
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】CO2气瓶使用CO2气体电热预热器时，其电压应采用( )伏。
A.
36
B.
42
C.
48
D.
60
查看完整题目与答案
【单选题】CO2 气瓶使用 CO2 气体电热预热器时,其电压应采用( )V。
A.
36
B.
48
C.
60
D.
90
查看完整题目与答案
【单选题】When a major power outage left even Times Square eerily dark, New York City's faithful headed out of their hot apartments and stuffy office cubicles and did what came naturally. They headed to their l...
A.
Because most of New Yorkers are religious.
B.
Because city people usually stay at office and home, especially do New Yorkers.
C.
Because New Yorkers are very hard working.
D.
Because New Yorkers seldom drink.
查看完整题目与答案
【单选题】—How does he get to work?   —He a bike. —How long does it him to get from home to the office? —It him 20 minutes.
A.
rides; takes; takes
B.
rides; take; takes
C.
ride; takes; takes
D.
ride; take; takes
查看完整题目与答案
【简答题】阅读理解。 When she graduates from Columbia University next year with a 's degree in Public health, Eric Wheeler is hoping to get a job in international reproductive(生殖) health. The 26-year-old post-...
查看完整题目与答案
【单选题】We should think of others if we want to ________them.
A.
get on well with
B.
hear of
C.
get ready for
D.
hear from
查看完整题目与答案
【单选题】What can we learn from the passage?
A.
People can hardly get Vitamin D from daily diet.
B.
Heavy use of sunscreen can promote the Vitamin D production by the body.
C.
The Vitamin D density is strengthened in milk and bread.
D.
The standard amount of Vitamin D intake keeps no change for kids and adolescents.
查看完整题目与答案
【单选题】CO2 气瓶使用CO2气体电热预热器时,其电压应采用( )伏
A.
36
B.
48
C.
60
D.
90
查看完整题目与答案
【简答题】某建设单位和施工单位按照《建设工程施工合同(示范文本)》(GF-1999—0201)签订了施工合同，合同中约定：建筑材料由建设单位提供;由于非施工单位原因造成的停工，机械补偿费为200元/台班，人工补偿费为50元/工日;总工期为120d;竣工时间提前奖励为3000元/d，误期损失赔偿费为5000元/d。经项目监理机构批准的施工进度计划如图2-11所示(单位：d)。 施工过程中发生如下事件： 事件1...
查看完整题目与答案
【简答题】基础训练篇（23） There was once a teacher in a village. He was a man named Goldsmith. He was a kind-hearted man. He was always poor (1)___________. He taught himself  (2)___________, so sometimes people call...
查看完整题目与答案
相关题目：
【单选题】CO2气瓶使用CO2气体电热预热器时，其电压应采用( )伏。
A.
36
B.
42
C.
48
D.
60
查看完整题目与答案
【单选题】CO2 气瓶使用 CO2 气体电热预热器时,其电压应采用( )V。
A.
36
B.
48
C.
60
D.
90
查看完整题目与答案
【单选题】When a major power outage left even Times Square eerily dark, New York City's faithful headed out of their hot apartments and stuffy office cubicles and did what came naturally. They headed to their l...
A.
Because most of New Yorkers are religious.
B.
Because city people usually stay at office and home, especially do New Yorkers.
C.
Because New Yorkers are very hard working.
D.
Because New Yorkers seldom drink.
查看完整题目与答案
【单选题】—How does he get to work?   —He a bike. —How long does it him to get from home to the office? —It him 20 minutes.
A.
rides; takes; takes
B.
rides; take; takes
C.
ride; takes; takes
D.
ride; take; takes
查看完整题目与答案
【简答题】阅读理解。 When she graduates from Columbia University next year with a 's degree in Public health, Eric Wheeler is hoping to get a job in international reproductive(生殖) health. The 26-year-old post-...
查看完整题目与答案
【单选题】We should think of others if we want to ________them.
A.
get on well with
B.
hear of
C.
get ready for
D.
hear from
查看完整题目与答案
【单选题】What can we learn from the passage?
A.
People can hardly get Vitamin D from daily diet.
B.
Heavy use of sunscreen can promote the Vitamin D production by the body.
C.
The Vitamin D density is strengthened in milk and bread.
D.
The standard amount of Vitamin D intake keeps no change for kids and adolescents.
查看完整题目与答案
【单选题】CO2 气瓶使用CO2气体电热预热器时,其电压应采用( )伏
A.
36
B.
48
C.
60
D.
90
查看完整题目与答案
【简答题】某建设单位和施工单位按照《建设工程施工合同(示范文本)》(GF-1999—0201)签订了施工合同，合同中约定：建筑材料由建设单位提供;由于非施工单位原因造成的停工，机械补偿费为200元/台班，人工补偿费为50元/工日;总工期为120d;竣工时间提前奖励为3000元/d，误期损失赔偿费为5000元/d。经项目监理机构批准的施工进度计划如图2-11所示(单位：d)。 施工过程中发生如下事件： 事件1...
查看完整题目与答案
【简答题】基础训练篇（23） There was once a teacher in a village. He was a man named Goldsmith. He was a kind-hearted man. He was always poor (1)___________. He taught himself  (2)___________, so sometimes people call...
查看完整题目与答案