主导管扩张，边缘不整齐呈羽毛状，末梢导管弥漫、散在的点状扩张

搜题请搜索小程序“爱下问搜题”

问题单项选择题

A．儿童复发性腮腺炎
B．舍格伦综合征
C．阻塞性腮腺炎
D．结核
E．腺淋巴瘤符合下列腮腺造影表现的病变是

答案

参考答案：B

听力题

单词拼写（每题1分，共8分）

1.It is healthier to keep a b_______ diet every day.

2. The little boy e________ his living by selling newspapers.

3. I’ll come tomorrow, if the weather p___________

4. Finally, they were able to s_______ shelter from the rain.

5. The first s________ of the play was moving.

6. It’s r_______ to interrupt, so you had better wait.

7. To succeed, we must c___________ talent with hard work.

8. The flower is i________ beautiful, but it produces no fruit.

单项选择题

关于普萘洛尔的作用不正确的是

A．收缩支气管平滑肌
B．有内在拟交感作用
C．增加心输出量
D．易透过血脑屏障
E．加快肾素的释放