问题 单项选择题 A1/A2型题

子宫体癌的超声表现,下列不正确的是()

A.早期子宫体癌,多无异常所见

B.癌组织阻塞子宫颈管时可因为宫腔积液、积脓或积血表现为宫腔内无回声区

C.弥漫型子宫内膜癌呈不均匀性增厚

D.经 * * 超声可检测子宫内膜癌浸润肌层深度

E.肿瘤血流频谱多普勒检测呈高阻特征

答案

参考答案:E

解析:内膜癌的血流频谱表现为舒张期血流丰富,呈低阻特征,以内膜厚度>10mm、肿瘤血流阻力指数RI<0.45为参考指标,诊断内膜癌的敏感性、特异性、符合率分别为90%、100%、93%。

多项选择题
阅读理解

Exercise is an important part of a healthy life. It reduces your risk of heart attack and is a good way to control body weight. It is also something you can do with other people, which can be great fun. So, it is important to find time to exercise and be healthier. As well as making time to exercises, another way is to build it into the natural rhythm (节奏) of your day.

· Go for a walk on your lunch break.

Try to find at least three different ways and change them throughout the week. It

might even be possible to find a place to walk inside, for those bad weather days.

· Talk to your employers about improving health at work.

Encourage your workers to cycle to and from work. You might also be able to

encourage them to set up a gymnasium. Sell the idea by pointing out that doing so

will improve productivity (生产率), and make workers happy.

· If you are a student.

Go for walks with friends to talk about your studies. Spend some time in the learning

resource centre reading about sport, exercise and health. The more you know, the

more choices you will have about how to be physically active. Most colleges have

sport and exercise programs that students can take part in. Find out which activities

are being held, and try those you think you might enjoy. 

小题1:

Workers are advised to cycle to and from work to ________.

A.make themselves realize the importance of health

B.work better and bring pleasure to themselves

C.make themselves become much stronger

D.reduce the time spent in walking to work小题2:

When a student wants to do exercise at school, he or she had better ________.

A.take part in all the exercise programs

B.have sports with friends or classmates

C.choose the one that he or she likes

D.choose the same one all the time小题3:

We can learn from the passage that ________.

A.walk is most suitable for those who work indoors

B.one who knows more about health will be healthier

C.exercising with others will be better for one’s health

D.combining exercise with daily work can save time to keep healthy