问题 单项选择题

患者男性,22岁,发现心脏杂音2年。参加重体力劳动时感心悸,休息片刻后症状消失,体力与同年龄的人比较稍差,无咳血、紫绀及晕厥。体检:发育正常,肺阴性,心前区无细震颤,心界不大,心率80次/分,律齐,三尖瓣区可闻及Ⅱ级收缩期吹风样杂音,胸骨左缘第2肋间闻及Ⅲ/Ⅴ级收缩期吹风样杂音,肺动脉第2音亢进分裂,无杆状指(趾)及紫绀。检查提示:超声心动图示右房右室扩大,房间隔连续中断1.8cm×1.5cm,见五彩血流经左房流向右房。该病心脏负荷表现应为?()

A.左房收缩期负荷过重

B.左房舒张期负荷过重

C.右房收缩期负荷过重

D.右房舒张期负荷过重

E.左室收缩期负荷过重

F.右室舒张期负荷过重

答案

参考答案:F

选择题
阅读理解

        根据短文内容,从短文后的七个选项中选出能填入空白处的最佳选项.选项中有两项为多余选项.

     Weight loss is a hard topic. Lots of people aren't satisfied with their present weight, but most people

aren't sure how to change it. You may want to look like the models or actors in magazines or on TV, but

those goals might not be healthy or realistic for you.   1   

     So what should you do about your weight control?

        2   The best way to find out if you are at a healthy weight or if you need to lose or gain weight is to

talk to a doctor or dietitian(营养学家).    3    If it turns out that you can benefit from weight loss then you can follow a few of the simple suggestions listed below to get started.

       4   People who lose weight quickly by crash(速成的) dieting or other extreme measures usually

gain back all of the pounds they lost, because they haven't permanently changed their habits. Therefore,

the best weight management ways are those that you can maintain for a lifetime.

Small changes are a lot easier to stick with than large ones. Try reducing the size of what you eat. _ 5__

Once you have that down, start gradually introducing healthier foods and exercise into your life.

     It's a good idea to maintain a healthy weight because it's just that: healthy.

A. Try giving up regular soda for a week

B. Try to pay attention as you eat and stop when you're full.

C. Weight management is about long-term success.

D. Besides, no magical diet will make you look like someone else.

E. Being healthy is really about being at a weight that is right for you.

F. Changing from whole to nonfat or low-fat milk is also a good idea.

G. They will compare your weight with healthy standards and help you set goals.