远动系统使用的调制解调器在发送数据是使用（）功能。
A.调制；
B.解调；
C.数据锁相；
D.采样判决器。
参考答案：A
—Why did you leave your city last year?
—Because I _____ a new job in another city. [ ]
A. offered
B. am offered
C. was offered
D. offer
发现饮用水浑浊、有颜色或有异臭、异味时怎么办？
