超声检查如图，最可能的诊断是（）
A.子宫肌瘤
B.子宫内膜癌
C.节育器下移
D.畸胎瘤
E.早孕
参考答案：A
下列各项中，不属于鼓励竞争的因素的是( )。
A．存在大量同质的竞争者 B．行业增长较快C．缺乏产品差异化 D．较高的退出壁垒
People who live in cold climates ________ warm colors _______ their homes a warm and comfortable feeling. [ ]
A. would rather using; to give
B. prefer to use; to give
C. would rather use; than give
D. prefer use; to giving
