皮皮学，免费搜题
登录
搜题
【单选题】
使用数字式万用表电压挡,测量三人表决器的各处电压 时, 以下做法错误的是( )。
A.
使用直流电压挡进行测量
B.
选择合适的量程
C.
使用交流电压挡进行测量
D.
数字式万用表测直流电压时,红黑表笔可以不必遵守红笔接高电位黑笔接低电位,若显示值为负,说明红笔接的是低电位
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】某建设工程项目分包工程发生生产安全事故,负责向安全生产监督管理部门、建设行政主管部门或其他有关部门上报的是( )
A.
现场施工人员
B.
分包单位
C.
建设单位
D.
总承包单位
查看完整题目与答案
【简答题】传统建筑景观基础建模: 1、参照附件(项目4截图)独立完成项目4的绘制; 2、将项目1、2、3、4中的四个模型放在一个skp文件中,命名为“学号后两位+姓名.skp”上交。 项目4截图.doc
查看完整题目与答案
【单选题】The opening ceremony is a great occasion. It is essential______for that.
A.
for us to be prepared
B.
that we are prepared
C.
of us to be prepared
D.
our being prepared
查看完整题目与答案
【单选题】The passage tells us that some manufacturers, instead of changing their product, would prefer to change its _________.
A.
production cost
B.
quality
C.
market value
D.
appeal
查看完整题目与答案
【单选题】The passage tells us that some manufacturers, instead of changing their product, would prefer to change its ______.
A.
product cost
B.
quality
C.
packaging
D.
market value
查看完整题目与答案
【单选题】Which words in the sentence determine the subject-verb agreement? (What are the important words that tell us if it is singular or plural?) A number of cars are pre-owned.
A.
A number of
B.
cars
C.
are
D.
pre-owned
查看完整题目与答案
【单选题】生产、经营、储存、运输、使用危险化学品和处置废弃危险化学品的单位，其( )必须保证本单位危险化学品的安全管理符合有关法律、法规、规章的规定和国家标准，并对本单位危险化学品的安全负责。
A.
主要负责人
B.
技术人员
C.
从业人员
D.
安全管理人员
查看完整题目与答案
【单选题】To our surprise，she suddenly _____ in front of us .
A.
appealed
B.
appeared
C.
appeased
D.
prepared
查看完整题目与答案
【单选题】主管、负责
A.
in charge of
B.
in the charge of
C.
in accordance with
D.
in a hurry
查看完整题目与答案
【简答题】Compared with pre-industrial levels, are there any changes around us? What are they?
查看完整题目与答案
相关题目：
【单选题】某建设工程项目分包工程发生生产安全事故,负责向安全生产监督管理部门、建设行政主管部门或其他有关部门上报的是( )
A.
现场施工人员
B.
分包单位
C.
建设单位
D.
总承包单位
查看完整题目与答案
【简答题】传统建筑景观基础建模: 1、参照附件(项目4截图)独立完成项目4的绘制; 2、将项目1、2、3、4中的四个模型放在一个skp文件中,命名为“学号后两位+姓名.skp”上交。 项目4截图.doc
查看完整题目与答案
【单选题】The opening ceremony is a great occasion. It is essential______for that.
A.
for us to be prepared
B.
that we are prepared
C.
of us to be prepared
D.
our being prepared
查看完整题目与答案
【单选题】The passage tells us that some manufacturers, instead of changing their product, would prefer to change its _________.
A.
production cost
B.
quality
C.
market value
D.
appeal
查看完整题目与答案
【单选题】The passage tells us that some manufacturers, instead of changing their product, would prefer to change its ______.
A.
product cost
B.
quality
C.
packaging
D.
market value
查看完整题目与答案
【单选题】Which words in the sentence determine the subject-verb agreement? (What are the important words that tell us if it is singular or plural?) A number of cars are pre-owned.
A.
A number of
B.
cars
C.
are
D.
pre-owned
查看完整题目与答案
【单选题】生产、经营、储存、运输、使用危险化学品和处置废弃危险化学品的单位，其( )必须保证本单位危险化学品的安全管理符合有关法律、法规、规章的规定和国家标准，并对本单位危险化学品的安全负责。
A.
主要负责人
B.
技术人员
C.
从业人员
D.
安全管理人员
查看完整题目与答案
【单选题】To our surprise，she suddenly _____ in front of us .
A.
appealed
B.
appeared
C.
appeased
D.
prepared
查看完整题目与答案
【单选题】主管、负责
A.
in charge of
B.
in the charge of
C.
in accordance with
D.
in a hurry
查看完整题目与答案
【简答题】Compared with pre-industrial levels, are there any changes around us? What are they?
查看完整题目与答案