客车上的安全玻璃在紧急情况下可起到救生的作用。

Hi. I’m Lingling. I’m a student at No. 14 Middle School. Do you want to know my life? Let me tell you about it. I usually get up at 7:00 in the morning. I have my breakfast at 7:10. My parents always prepare（准备）the breakfast for me. I go to school at 7:30. We have seven lessons every day from Monday to Friday. I like English lessons very much .After school, I like playing table tennis and basketball with my friends. There is a very big playground in our school.

小题1:I have my breakfast at ______.

A．7:00

B．7:10

C．7:30

D．7:20小题2:I have seven lessons ______.

A．every day

B．at the weekend

C．in the afternoon

D．five days a week小题3:I like ______ very much.

A．English

B．Chinese

C．art lesson

D．swimming lesson小题4:There is a big ______ in No. 14 Secondary School.

A．garden

B．library

C．swimming pool

D．playground小题5:I like playing ______ with my friends.

A．table tennis and basketball

B．football

C．football and basketball

D．volleyball

患者男，54岁，因“右下肢疼痛无力，行走时加剧3年”来诊。曾以腰椎椎管狭窄治疗无效。既往有糖尿病病史15年，口服降糖药物治疗。查体：BP170/80mmHg。血常规和尿常规正常。超声：右肾动脉起始部收缩期峰值血流速度2.6m/s，右腘动脉PW峰值血流速度28cm/s，加速时间180ms。

对该患者的肾脏和腹部行超声检查，尚须补充的重要内容包括（）。

A.双侧肾脏大小

B.肾皮质厚度

C.肾盂宽度

D.肾段动脉加速度和加速时间

E.肾段动脉阻力指数

F.同水平腹主动脉血流速度

九气拈痛丸功效与作用

只用一种试剂不能鉴别出来的一组溶液是（　　）

A．HNO₃---KNO₃---KOH

B．KNO₃---NaCl---Na₂CO₃

C．Na₂SO₄---BaC1₂---Na₂CO₃

D．NaOH---Ba（OH）₂---H₂SO₄

意大利政府直接控制的价格达( )种(类)。

A．36
B．37
C．38
D．39