请指出左心室室壁瘤心脏病变的透视特点（）
A．心脏搏动减弱
B．反向搏动点上移
C．心脏搏动正常
D．心脏局部矛盾运动
E．相反搏动点下移
参考答案：D
—Will foreigners have any problems talking with the Chinese in Beijing in 2008?
—I don't think so. Now _____ the young _____ the old are learning to speak English. [ ]
A. only; except
B. either; or
C. neither; nor
D. not only; but also
工作与家庭生活之间有着非常密切的关系，它的发展遵循着（）的逻辑关系。
A.此消彼长
B.并行发展
C.互补稳定
D.先后顺序
