WCDMA采用了快速功率控制机制,其功率调整的频率为()。
A.2Hz;
B.1000Hz;
C.1.2KHz;
D.1.5KHz;
参考答案:D
I’ve got used to the Chinese food. But I don’t like _____ when a Chinese host keeps serving me the food I don’t like.
A.it
B.that
C.this
D.those
运矿汽车最大经济合理远距不超过()km。
A.1.5
B.2.5
C.3.5
D.4.5