Which of the following can best summarize the main idea of the passage？A．Sporting activiti
Which of the following can best summarize the main idea of the passage？
A．Sporting activities satisfy the desire of modern man to exercise hunting skills which his forefathers developed for survival.
B．It is hunting that provides human beings with simpler ways of obtaining meaty meals.
C．Farming is very important in human civilization because it saves human beings from risks and uncertainties of hunting for survival.
D．It is farming that gives human beings enough leisure time for sporting activities.
第4题
A．PHICH信道可以分配在前3个OFDM符号
B．在PHICH扩展模式，2个REG分别分配在2个OFDM符号上
C．PHICH普通模式物理层解调性能显著优于配置为扩展模式
D．PHICH信道能分配在子帧的第1个或前2个OFDM符号
第5题
A．PHICH信道组内最大码分复用4个用户
B．下行常用的HARQ反馈模式为Bundling和Multiplexing
C．PHICH信道可能分配在前3个OFDM符号上
D．PHICH信道可能只分配在子帧的第1个OFDM符号上
第6题
a) PHICH信可能只分配在子帧的第1个OPDM符号上
b) 下行常用的HARO反馈模式为 Bundl ing和 Mul tiplexing
c) PHICH信道可能分配在前3个OFDM符号上
d) PHICH信道组内最大码分复用4个用户
