男，32岁，呼吸困难3～4年，查体：负性心尖搏动，心尖区舒张期杂音及开瓣音。该患者负

Research studies show that there are some fundamental (1) between men and women in their attitudes to (2) matters. Women are far more likely to save for their children’s (3) and to save up to buy a (4) . Men tend to save for a (5) , and for their (6) . But in fact the need for women to save for their old age is far (7) than for men. Throughout the world, women are likely to live many years (8) than men. Furthermore it is the (9) women who will most often have to look after the children and thus they need more (10) to look after not just themselves but others. Women today need to look ahead, think ahead, not wait until they’re under (11) .
A number of (12) have been set up to help them do this. Some educational institutions offer night (13) in Money (14) . They can be given (15) on different ways of saving. It is usually advised that at least (16) of a person’s savings should be in low-risk investments but for the rest, (17) advisors often advise taking some (18) risks. Initiatives such as this can give women the economic (19) and knowledge they need for a comfortable, (20) retirement.

电测量变送器的精度应用（）。

A.绝对误差

B.相对误差

C.引用误差

人类经历了一个从依赖适应自然，到修饰改造自然，最后达到相互协调的过程。这个过程在一定程度上促进了地理学学科的变化。

药物进入细胞最常见的方式是

A．特殊载体摄入

B．脂溶性跨膜扩散

C．胞饮现象

D．水溶扩散

E．氨基酸载体转运

关于无排卵型功血的临床表现，下列哪项是错误的（）

A.不规则子宫出血

B.发病前常有数周或数月的闭经

C.基础体温呈单相型

D.多发生于产后或流产后

E.妇科检查无明显异常