PHS、GSM、CDMA、WCDMA等现网通信系统中,()系统对TD-SCDMA系统干扰最大。
A.CDMA
B.PHS
C.GSM
D.WCDMA
参考答案:B
Beijing Olympic Park
In the north of Beijing, there is China’s largest city park---- Beijing Olympic Park. It covers 12 square kilometers. During the 2008 Olympic Games, the park hosted the opening and closing ceremonies, and 15 major events. 小题1: After the Olympics, the park would be used to help keep the air fresh in the city.
The Bird’s Nest and Water Cube are both in it. There are more than 80 sculptures standing in the centre of the park for us to enjoy. 小题2: They are showing the Olympic spirit of “Faster, Higher and Stronger.
计算并填写下表。