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问题 单项选择题 配伍题

房室交界性逸搏心律见于（）

A.室率40～60次／分，QRS波的形态类似于窦性／室上性心搏动，QRS波群发生在窦房结冲动形成或传导障碍，或高度房室传导阻滞

B.室性异位搏动，30～50次／分，引牲期前收缩的配对间期不固定，可能有融合波，所有异位搏动的间距是最短异位搏动间距的数倍

C.规则的室性节律60～110次／分，QRS波的形态类似于室性期前收缩，心室夺获和房室分离常见

D.室率30～40次／分，QRS波的形态类似于室性期前收缩，QRS波的发生是在窦房结冲动形成或传导障碍，或高度房室传导阻滞

E.频率150～300次/分，无法辨认QRS波群、ST段与T波

答案

参考答案：A

完形填空

从每小题A. B. C三个选项中，选择可以填入空白处的最佳答案

Do you need trust (信任) from others? Yes! Everyone needs,    1   his or her parents. Parents would like to give you    2   space if they trust you. If you want your parents to trust you, you have to show    3  through action.

Let your parents    4   what’s going on at school and something else. Keep your bedroom door open when you’re back. Don’t be mad when they see what you’re    5   on the Internet. Invite your friends    6   your house to meet your parents.

When you do   7   wrong, it can break trust. It’s easy to find some reasons not to tell your parents what you’ve done wrong. For example, you don’t want them to be    8   with you and …The list can go on and on. But if they find the    9 , you’ll be in hot water. Broken trust takes long time to recover (恢复),    10   you can do things gradually (逐渐地) to help your parents believe in you again.

小题1:A. really                 B. finally              C. especially

小题2:A. many                    B. more                     C. most

小题3:A. him                     B. her                  C. them

小题4:A. know                    B. to know              C. knowing

小题5:A. looking for                 B. looking through      C. going through

小题6:A. on                     B. to                   C. from

小题7:A. something               B. anything                 C. everything

小题8:A. happy                   B. angry                   C. pleased

小题9:A. truth                   B. reason               C. way

小题10:A. or                     B. and                  C. but
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多项选择题 X型题

缺钙的病因有（）

A．长期日照不足

B．维生素D摄入不足

C．食物中钙磷比例不当

D．肾功能障碍

E．只补钙，未补维生素D
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