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问题 单项选择题

急性心肌梗死溶栓治疗中，最常用的溶栓剂是（）

A．肝素 

B．尿激酶 

C．去纤酶 

D．蝮蛇抗栓酶 

E．阿司匹林

答案

参考答案：B

解析：

急性心肌梗死溶栓疗法中，最常用的溶栓药物为尿激酶、链激酶。

选择题

下列说法中正确的是（　　）

A．氧化物都属于含氧化合物

B．氧化物只能由物质跟氧气反应生成

C．海水中含量最多的元素是钠元素

D．蔬菜中不可能含有铁元素
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填空题

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.
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