系安全带、不超速、不酒后驾车能有效减少什么？

I am Liu Mei. I am a girl. I am a middle school student. My cousin is the same age as me. She’s really nice, but she always borrows my things. Last week, she borrowed my math book and didn’t return it. So I couldn’t do my homework. I don’t want to have a fight with my cousin, because she’s my best friend. I don’t know what to do.  

根据短文内容，判断正(T)误(F)。

小题1: Liu Mei is the same age as her cousin.

小题2:Her cousin never borrows Liu Mei’s things.

小题3:Her cousin couldn’t do her homework.

小题4:Her cousin borrowed Liu Mei’s math book and returned it.

小题5: Liu Mei doesn’t want to have a fight with her cousin because she’s her best friend.

妊娠拔牙相对安全时间为（）

A.妊娠1、2、3个月

B.妊娠4、5、6个月

C.妊娠7、8、9个月

D.产前1个月

E.妊娠1个月之内

是以春伤于风，______留连，乃为______。

下列哪项措施不能减轻气管插管时的心血管反应（）

A.气管插管动作轻柔

B.插管前3分钟静脉注射5～6μg/kg芬太尼

C.插管前1分钟静脉注射3mg/kg胺碘酮

D.插管前3分钟静脉注射1～1.5mg/kg利多卡因

E.插管前行咽喉部及会厌部表面麻醉

预防缺血性脑损伤的措施包括（）

A.维持循环稳定和内环境正常

B.适当高血压，脑血流灌注压升高以改善脑血流

C.低温降低脑氧代谢率，减轻脑水肿和降低颅内压

D.控制颅内压和脑水肿

E.脑保护药物