原发性高血压与下列哪项因素无关
A．遗传B．肥胖C．摄盐过多D．精神紧张E．病毒感染
参考答案：E
Now in China if a driver is caught after drinking,he will be punished. [ ]
A.to drive
B.is driving
C.driven
D.driving
估计胎儿体重＜3000g，具备下列哪项条件方可试产：
A．头位，骶耻外径17cm，入口前后径9.5cmB．头位，骶耻外径15cm，入口前后径8cmC．坐骨棘间径9cm，坐骨切迹＜2横指D．坐骨结节间径与后矢状径之和＜15cmE．均小骨盆，估计胎儿体重3500g
