皮皮学，免费搜题
登录
搜题
【判断题】
将数字基带信号直接送到信道传输的方式称为数字基带传输,经过调制以后送到信道传输的方式称为数字频带传输。
A.
正确
B.
错误
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】The plant products have been carefully inspected and are considered to be ( ) from any quarantine pests.
A.
out C．free
B.
away D．far
查看完整题目与答案
【判断题】HTML 中无序列表的标签是 （）
A.
正确
B.
错误
查看完整题目与答案
【多选题】某地地震后，某社会工作机构的社会工作者前往灾区提供服务工作。社会工作者发放生活基本物资，提供心理支持和咨询，为困难家庭联系资源。为使灾区群众尽快从灾害的阴影中走出来，社会工作者为他们提供了职业技能训练、灾后生产项目培训等。该机构提供的服务体现了社会工作（）的目标。
A.
缓解困难
B.
激发潜能
C.
解决社会问题
D.
解救危难
E.
促进发展
查看完整题目与答案
【单选题】兴奋性突触后电位的产生,是由于提高了下列哪种离子的通透性
A.
Ca2+
B.
Cl-
C.
k+
D.
Na+
查看完整题目与答案
【多选题】为了防止错接旅游团事故的发生，导游应在接到旅游团后，认真核实( )。
A.
下榻饭店
B.
旅游团代号
C.
领队姓名
D.
旅游者姓名
查看完整题目与答案
【单选题】哪种方式邀约客户成本最高?
A.
电话邀约
B.
短信联系
C.
拜访客户
D.
传真
查看完整题目与答案
【多选题】为了防止错接旅游团事故的发生,导游应在接到旅游团后,认真核实( )。
A.
领队姓名
B.
组团社名称
C.
团号
D.
人数
查看完整题目与答案
【单选题】When bilge water is heated in a holding tank, which one of the following statements is not accurate?
A.
the relative high temperature facilitates primary gravity separation
B.
most of the oil and organic solvents are raised to the top layer
C.
the relative higher the temperature is, the more the top oil will be collected
D.
the normal high temperature has little use on the separation of emulsified oil
查看完整题目与答案
【单选题】When bilge water is heated in a holding tank, which one of the following statements is not accurate?
A.
the relative high temperature facilitates primary gravity separation.
B.
most of the oil and organic solvents are raised to the top layer
C.
the relative higher the temperature is, the more the top oil will be collected.
D.
the normal high temperature has little use of the separation of emulsified oil.
查看完整题目与答案
【单选题】When bile water is heated in a holding tank, which one of the flowing statements is not accurate?
A.
The relative high temperature facilitates primary gravity separation
B.
Most of the oil and organic solvents are raised to the top layer.
C.
The relative higher the temperature is, the more the top oil will be collected.
D.
The normal high temperature has little use on the separation of emulsified oil.
查看完整题目与答案
相关题目：
【单选题】The plant products have been carefully inspected and are considered to be ( ) from any quarantine pests.
A.
out C．free
B.
away D．far
查看完整题目与答案
【判断题】HTML 中无序列表的标签是 （）
A.
正确
B.
错误
查看完整题目与答案
【多选题】某地地震后，某社会工作机构的社会工作者前往灾区提供服务工作。社会工作者发放生活基本物资，提供心理支持和咨询，为困难家庭联系资源。为使灾区群众尽快从灾害的阴影中走出来，社会工作者为他们提供了职业技能训练、灾后生产项目培训等。该机构提供的服务体现了社会工作（）的目标。
A.
缓解困难
B.
激发潜能
C.
解决社会问题
D.
解救危难
E.
促进发展
查看完整题目与答案
【单选题】兴奋性突触后电位的产生,是由于提高了下列哪种离子的通透性
A.
Ca2+
B.
Cl-
C.
k+
D.
Na+
查看完整题目与答案
【多选题】为了防止错接旅游团事故的发生，导游应在接到旅游团后，认真核实( )。
A.
下榻饭店
B.
旅游团代号
C.
领队姓名
D.
旅游者姓名
查看完整题目与答案
【单选题】哪种方式邀约客户成本最高?
A.
电话邀约
B.
短信联系
C.
拜访客户
D.
传真
查看完整题目与答案
【多选题】为了防止错接旅游团事故的发生,导游应在接到旅游团后,认真核实( )。
A.
领队姓名
B.
组团社名称
C.
团号
D.
人数
查看完整题目与答案
【单选题】When bilge water is heated in a holding tank, which one of the following statements is not accurate?
A.
the relative high temperature facilitates primary gravity separation
B.
most of the oil and organic solvents are raised to the top layer
C.
the relative higher the temperature is, the more the top oil will be collected
D.
the normal high temperature has little use on the separation of emulsified oil
查看完整题目与答案
【单选题】When bilge water is heated in a holding tank, which one of the following statements is not accurate?
A.
the relative high temperature facilitates primary gravity separation.
B.
most of the oil and organic solvents are raised to the top layer
C.
the relative higher the temperature is, the more the top oil will be collected.
D.
the normal high temperature has little use of the separation of emulsified oil.
查看完整题目与答案
【单选题】When bile water is heated in a holding tank, which one of the flowing statements is not accurate?
A.
The relative high temperature facilitates primary gravity separation
B.
Most of the oil and organic solvents are raised to the top layer.
C.
The relative higher the temperature is, the more the top oil will be collected.
D.
The normal high temperature has little use on the separation of emulsified oil.
查看完整题目与答案