试题与答案

土壤的容水性主要和哪项因素有关A.土壤颗粒粒径 B.地面的雨雪水量 C.土壤所含化学

题型:单项选择题

题目:

土壤的容水性主要和哪项因素有关

A.土壤颗粒粒径

B.地面的雨雪水量

C.土壤所含化学元素

D.土壤中空气

E.土壤有机物含量

答案:

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题型:阅读理解

I’m Alfred. I was born with a problem in my backbone and mobility(行走能力)was a big challenge, but thanks to my teachers and friends, my school life was excellent.

My friends and I used to sit together and have lots of fun. Whenever we got a free period, we used to start shouting or play games. I would take part in all competitions, such as poetry writing, story writing and painting and all activities like Teachers’ Day or anybody’s birthday and had much fun.

My English teacher was very tall. The moment she would enter the class, we would all sit quiet and open the books. She would encourage me by giving me important assignments and also morning news to read during the assembly. She would come down and hear my English debate(辩论), which made me participate in all debate competitions.

The same was true of my biology and science teacher. She was very nice and sweet. She would always give me extra information on the biology project. I could not go to the lab for the practicals (lessons or exams in science, cooking etc. in which you have to do or make something yourself rather than write or read about it), so she would bring the lab down and help me with the biology and science practicals and would give me excellent marks.

My friends made me monitor and the naughty boys listen to me. My friends used to help me with my notes if I was absent. My teachers always gave me important project work and I felt proud when they patted me on the back after I finished it quickly and correctly.

I was never shouted at or made fun of or scolded(批评) by any of my friends and teachers. Today I saw the terrible punishments given to students on television news. I felt very sad.

I really want to express my love and thanks to all my wonderful teachers and friends, without whom my school life would not have been so excellent and unforgettable. I really pray to God that each child in the world is blessed with caring teachers and wants to attend school every day.

小题1:Alfred’s problem in his backbone _________ .

A.made him have fewer friends than others

B.prevented him enjoying an excellent school life

C.left him feeling down all the time in his life

D.made it impossible for him to move freely小题2:How many Alfred’s teachers are mentioned in the passage?

A.One.

B.Two.

C.Three.

D.Four.小题3:Alfred tried to do the following EXCEPT _________.

A.play games during a free period with his friends

B.take part in all competitions and all activities

C.go to the school lab to do the practicals

D.complete his project work quickly and correctly小题4:The underlined part “patted me on the back” is closest in meaning to “_________”.

A.scolded and hit me

B.encouraged and praised me

C.touched my backbone

D.made me calm down小题5:By writing the passage, Alfred aims to __________.

A.tell us how lucky a boy student he was

B.express his thanks to his teachers and friends

C.get understanding and care from more people

D.show us his great school achievements

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题型:单项选择题 案例分析题

男性,78岁。长期吸烟史,反复咳嗽、咳痰24年,活动性气促11年,并下肢水肿4年,加重并发热、意识模糊2天;查体:神志欠清,发绀、躁动,气促(RR31bpm),双肺散在干、湿性啰音,心率108/分钟:双下肢凹陷性水肿。

此时患者出现的酸碱失衡诊断为(提示:通过以上处理临床症状明显好转,2天后出现躁动,查血气分析检查结果为pH7.46,PaCO251mmHg,PaO2105mmHg,HCO46mmol/L。)()

A.呼吸性酸中毒

B.呼吸性酸中毒+代谢性酸中毒

C.呼吸性酸中毒+代谢性碱中毒

D.代谢性碱中毒

E.呼吸性碱中毒

F.代谢性酸中毒

G.呼吸性碱中毒+代谢性酸中毒

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