搜题请搜索小程序“爱下问搜题”
问题 单项选择题

WPA单板固定增益为23dBm，单波输入功率为-28dBm，接入八波业务时候下面哪一个数值最接近WPA的实际输出光功率（）

A.4.2dBm

B.1.5dBm

C.5.5dBm

D.6.5dBm

答案

参考答案：A

听力题

小题1:Wewillmeeton ________ (星期四). 

小题2:I like the style of his writing but I don’t like the ______（内容）. 

小题3: The result was ___   (超出) her wildest dreams.     

小题4:It is essential that more than 70,000,000 people will be ________(吸引) to the 2010 EXPO of Shanghai.

小题5:The question needs ___________(进一步) discussion.

小题6:A _______ (正方形) table lies in the middle of the room.

小题7:The workers in the car factory are ____(付报酬) by the hour.

小题8:To _________ our country is the duty of each citizen.（保卫）

小题9:Wang Meng skated her way to three gold ________ (奖牌) at the Winter Olympics in Vancouver.

小题10:Buses run _______ (频繁地) between the city and the airport.
查看答案
单项选择题

在买卖合同中，如无特别约定，标的物的所有权自( )时转移。

A．合同订立

B．标的物交付

C．支付货款

D．合同生效
查看答案