皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
下行物理信道的一般处理过程为()。
A.
加扰、调制、层映射、RE映射、预编码、OFDM信号产生
B.
加扰、层映射、调制、RE映射、预编码、OFDM信号产生
C.
加扰、预编码、调制、层映射、RE映射、OFDM信号产生
D.
加扰、调制、层映射、预编码、RE映射、OFDM信号产生
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】Travelers in space have to ______ many discomforts in their spaceships.
A.
maintain
B.
persist
C.
endure
D.
sustain
查看完整题目与答案
【单选题】According to the travel Web site, many travelers______staying at the Reliant Hotel in Hanoi.
A.
testify
B.
conclude
C.
recommend
D.
disappoint
查看完整题目与答案
【简答题】●交换式局域网的核心是 (34) 。局域网交换机可以在交换机的多个端口之间同时建立多个 (35) 。对于交换式以太网的说法不正确的是 (36) 。 (34) A．路由器 B．服务器 C．局域网交换机 D．带宽 (35) A．IP包交换 B．传输层连接 C．并发连接 D．超链接 (36) A．它保留现有以太网的基础设施，而不必把还能工作的设备扔掉 B．以太网交换机有着各类广泛的应用--与现行的中继器...
查看完整题目与答案
【单选题】For many travelers, charter vacations often turn out to cost considerably more than ______.
A.
they originally seemed
B.
they originally seem to
C.
they seemingly would cost originally
D.
they seemed originally
查看完整题目与答案
【简答题】故障现象：VIP小区2的用户不能上网，但能ping通其TCP/IP配置信息中的网关地址。 故障分析：由于VIP小区2的用户配置的是静态IP地址，而且处在同一网段，共用路由器2上的一个IP地址作为网关地址。用户能ping通其TCP/IP配置信息中的网关地址，间接说明他能ping通路由器 2与三层交换机2相连接口的IP地址，这也进一步说明从该VIP用户到路由器2之间的物理路径是连通的，因此需重点检查路...
查看完整题目与答案
【单选题】For many travelers, security checks are as necessary as they are ____ .
A.
annoyed
B.
annoying
C.
annoy
D.
annoys
查看完整题目与答案
【单选题】On the desert travelers of t en see rivers and lakes.
A.
imagining
B.
imaginative
C.
imaginable
D.
imaginary
查看完整题目与答案
【多选题】以下哪首词体现了苏轼身处逆境进退自如,宠辱不惊的豪放洒脱。
A.
《江城子·乙卯正月二十日夜记梦》
B.
《定风波·莫听穿林打叶声》
C.
《江城子·密州出猎》
D.
《满庭芳·蜗角虚名》
查看完整题目与答案
【单选题】Why are many business travelers unhappy about long distance travel these days?
A.
It can cause headaches.
B.
They usually have to fly at night.
C.
Aircraft have become very uncomfortable.
D.
They often don't get time to recover from their journeys.
查看完整题目与答案
【单选题】The reason why many big hotels are being torn down is that______.
A.
more and more travelers choose to stay in motels
B.
people want to spend their time in a more quiet place
C.
it costs too much money for people to stay in a hotel
D.
cities have become short of land for building large hotels
查看完整题目与答案
相关题目：
【单选题】Travelers in space have to ______ many discomforts in their spaceships.
A.
maintain
B.
persist
C.
endure
D.
sustain
查看完整题目与答案
【单选题】According to the travel Web site, many travelers______staying at the Reliant Hotel in Hanoi.
A.
testify
B.
conclude
C.
recommend
D.
disappoint
查看完整题目与答案
【简答题】●交换式局域网的核心是 (34) 。局域网交换机可以在交换机的多个端口之间同时建立多个 (35) 。对于交换式以太网的说法不正确的是 (36) 。 (34) A．路由器 B．服务器 C．局域网交换机 D．带宽 (35) A．IP包交换 B．传输层连接 C．并发连接 D．超链接 (36) A．它保留现有以太网的基础设施，而不必把还能工作的设备扔掉 B．以太网交换机有着各类广泛的应用--与现行的中继器...
查看完整题目与答案
【单选题】For many travelers, charter vacations often turn out to cost considerably more than ______.
A.
they originally seemed
B.
they originally seem to
C.
they seemingly would cost originally
D.
they seemed originally
查看完整题目与答案
【简答题】故障现象：VIP小区2的用户不能上网，但能ping通其TCP/IP配置信息中的网关地址。 故障分析：由于VIP小区2的用户配置的是静态IP地址，而且处在同一网段，共用路由器2上的一个IP地址作为网关地址。用户能ping通其TCP/IP配置信息中的网关地址，间接说明他能ping通路由器 2与三层交换机2相连接口的IP地址，这也进一步说明从该VIP用户到路由器2之间的物理路径是连通的，因此需重点检查路...
查看完整题目与答案
【单选题】For many travelers, security checks are as necessary as they are ____ .
A.
annoyed
B.
annoying
C.
annoy
D.
annoys
查看完整题目与答案
【单选题】On the desert travelers of t en see rivers and lakes.
A.
imagining
B.
imaginative
C.
imaginable
D.
imaginary
查看完整题目与答案
【多选题】以下哪首词体现了苏轼身处逆境进退自如,宠辱不惊的豪放洒脱。
A.
《江城子·乙卯正月二十日夜记梦》
B.
《定风波·莫听穿林打叶声》
C.
《江城子·密州出猎》
D.
《满庭芳·蜗角虚名》
查看完整题目与答案
【单选题】Why are many business travelers unhappy about long distance travel these days?
A.
It can cause headaches.
B.
They usually have to fly at night.
C.
Aircraft have become very uncomfortable.
D.
They often don't get time to recover from their journeys.
查看完整题目与答案
【单选题】The reason why many big hotels are being torn down is that______.
A.
more and more travelers choose to stay in motels
B.
people want to spend their time in a more quiet place
C.
it costs too much money for people to stay in a hotel
D.
cities have become short of land for building large hotels
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题