一幅值为U0的无限长直角行波沿波阻抗为Z输电线路传播至开路末端时，末端节点上的电压是（）
A. 1/2U0
B. U0
C. 0
D. 2U0
查看答案
写字搂、零售商业等收益性物业完全可以像一个一般的工商企业那样，通过( )活动，为业主或投资者创造利润和回报。
A. 物业经营管理
B. 投资
C. 物业管理
D. 管理
宏观调控房地产市场的手段包括( )。
A. 土地供应、金融税收、价格政策、住房政策
B. 金融税收、价格政策、住房政策、招投标
C. 土地供应、住房政策、招投标、拍卖
D. 开房交会、金融税收、价格政策、招投标
What does the author say about two women in the front of a car
A. They distract other drivers.
B. They always repeat what they are saying.
C. They are both nominal drivers.
D. Their attention is on each other.
Why do we say that the development of British government is a gradual progress towards democracy
A. The Monarch keeps in closer touch with the common people than before.
B. The power is distributed evenly among the three supreme authorities.
C. The ordinary people have come to enjoy supremacy with the gradual loss of the Monarch's political power.
D. The commons discard the Queen.
微信支付 
支付宝支付