问题
选择题
With the development of the central and western China，more and more modem cities have
——in what was a wasteland ten years ago
A．built-up
B．sprung up
C．grown up
D．risen up
答案
答案：B
短语辨析. A．建立 B．涌现出 C．长大 D．升高.句意:随着中国中西部的开发,在一些过去时荒地的地方涌现了越来越多的城市,故选B.