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【单选题】According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic(利他主义的)"than at any time in the 17...
A.
5), the author means that ______.A. business management should be included in educational programsB. human wisdom has accumulated at an extraordinarily high speedC. human intellectual development has reached new heightsD. the importance of a broad education should not be overlooked
【单选题】According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic (利他主义的) " than at any time in the...
A.
have never attached so much importance to moral sense
B.
have never been so financially well off as today
C.
have never been so materialistic as today
D.
have never been so interested in the arts
【单选题】According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic(利他主义的)"than at any time in the 17...
A.
the influences of their instructors
B.
the financial goals they seek in life
C.
their own interpretations of the courses
D.
their understanding of the contributions of others
【多选题】卫星通信与其他通信方式相比较，具有（ ）的特点。
A.
通信距离远、覆盖地域广、不受地理条件限制
B.
以广播方式工作
C.
不能采用空分多址(SDMA)方式
D.
工作频段高
E.
通信容量大，传输业务类型多
【单选题】采用全双工通信方式，数据传输的方向性结构为（ ）
A.
可以在两个方向上同时传输
B.
只能在一个方向上传输
C.
可以在两个方向上传输，但不能同时进行
D.
以上均不对
【单选题】According to a survey, which was based on the responses of over 188,000 students, today"s traditional-age college freshmen are "more materialistic and less altruistic (利他主义的 )" than at any time in the...
A.
have never been so materialistic as today
B.
have never been so interested in the arts
C.
have never been so financially well off as today
D.
have never attached so much importance to moral sense
相关题目：
【单选题】According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic(利他主义的)"than at any time in the 17...
A.
5), the author means that ______.A. business management should be included in educational programsB. human wisdom has accumulated at an extraordinarily high speedC. human intellectual development has reached new heightsD. the importance of a broad education should not be overlooked
【单选题】According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic (利他主义的) " than at any time in the...
A.
have never attached so much importance to moral sense
B.
have never been so financially well off as today
C.
have never been so materialistic as today
D.
have never been so interested in the arts
【单选题】S7-200系列PLC硬件接口为RS-485通信接口，为（）通信方式
A.
全双工
B.
半双工
C.
单工
D.
均可以
【单选题】小型对讲机性能优良，体积小，（）十分广泛。
A.
规格
B.
形状
C.
功能
D.
用途
【单选题】CC-Link通信规范的通信方式是()。
A.
广播轮询方式
B.
点对点方式
C.
全双工方式
D.
半双工方式
【单选题】According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic(利他主义的)"than at any time in the 17...
A.
the influences of their instructors
B.
the financial goals they seek in life
C.
their own interpretations of the courses
D.
their understanding of the contributions of others
【单选题】传播距离近，限于视线范围，最大200海里，且与飞行高度有关；信号稳定，抗干扰性能好的通信方式是（）。
A.
VHF
B.
HF
C.
SATCOM
D.
语音调度系统
【多选题】卫星通信与其他通信方式相比较，具有（ ）的特点。
A.
通信距离远、覆盖地域广、不受地理条件限制
B.
以广播方式工作
C.
不能采用空分多址(SDMA)方式
D.
工作频段高
E.
通信容量大，传输业务类型多
【单选题】采用全双工通信方式，数据传输的方向性结构为（ ）
A.
可以在两个方向上同时传输
B.
只能在一个方向上传输
C.
可以在两个方向上传输，但不能同时进行
D.
以上均不对
【单选题】CMIP还规定了管理站与代理之间的通信机制。通信方式主要包括( )。
A.
查询和事件报告
B.
轮询和事件报告
C.
询问和事件报告
D.
咨询和事件报告
【单选题】较其他通信方式而言,下面不属于光纤通信优点的是 。
A.
不受电磁干扰
B.
相关设备价格特别便宜
C.
数据传输速率高
D.
保密性好
【单选题】According to a survey, which was based on the responses of over 188,000 students, today"s traditional-age college freshmen are "more materialistic and less altruistic (利他主义的 )" than at any time in the...
A.
have never been so materialistic as today
B.
have never been so interested in the arts
C.
have never been so financially well off as today
D.
have never attached so much importance to moral sense
【单选题】在下面通信方式中，不属于有线通信的是（ ）
A.
导引线通信
B.
载波通信
C.
光纤通信
D.
微波通信