问题
多项选择题
机体天然预防尿路感染的屏障作用有()
A．尿路冲刷作用
B．尿路粘膜分泌作用
C．尿路环境一般呈碱性状态
D．尿液中含有某些抗菌物质
E．尿路环境呈酸性
答案
参考答案：A, B, C
搜题请搜索小程序“爱下问搜题”
机体天然预防尿路感染的屏障作用有()
A．尿路冲刷作用
B．尿路粘膜分泌作用
C．尿路环境一般呈碱性状态
D．尿液中含有某些抗菌物质
E．尿路环境呈酸性
参考答案：A, B, C
| 完形填空 | ||||
| My dad has been driving a truck for almost his entire life.He's usually__1__all the weekdays and comes home only at weekends.Sometimes he stays__2__for two weeks at a time.__3__I don't get to see him as often as I wish, we remain very__4__. My dad is the type of person who doesn't let you__5__up anything that you start.When I was eleven, my father bought me a piano.At first I was so__6__about it that I would spend hours and hours learning how to play.Then it got __7__.I was so tired of it that I asked if I could stop.Much as I tried, he__8__ me to go on.Now I have been playing for almost five years.I love it and I'm glad I__9__my dad's advice. My dad is__10__talented, for he has been playing the guitar for over 20 years.Under his influence, I also like__11__now.Sometimes my dad can be my biggest__12__.He makes me smile even when I lose in a talent show__13__sometimes he can be my biggest critic (批评家). He__14__ignore the small mistakes I make.He encourages me never to lose__15__because hethinks that all my efforts will__16__ one day. My dad is generous.Every Thursday night, he__17__to read to the children at a children's club.When he reads, their__18__light up with curiosity about what will happen next.I feel__19__of having a person in my family who cares enough to volunteer to__20__. I love dad with all my heart.He's a hero in my heart and the most wonderful person in theworld. | ||||
|