一桶汽油用掉一半后,剩下的汽油[ ] A.比热容和密度不变,热值为原来的一半 B

题型:选择题

问题:

一桶汽油用掉一半后,剩下的汽油[ ]

A.比热容和密度不变,热值为原来的一半  

B.热值和比热容不变,密度为原来的一半  

C.密度和热值不变,比热容为原来的一半  

D.热值、密度、比热容都不变

考点:比热容的概念热值密度及其特性
题型:选择题

一条跑道全长200米,在图纸上的长度是10厘米.这幅图的比例尺是多少?

题型:选择题
A person may have an idea about himself that will prevent him from doing good work.
He may have the  36  that he is not capable (有能力的) of it. A child may think he is stupid because he does not understand how to make  37  of his mental faculties(官能). Older people may be mistaken that they are incapable of  38  anything new because of their age.
A person who believes that he is incapable will not make a real  39 , because he feels that it  40  be useless. He won’t go at a job with the confidence(信心) necessary for success, and he won’t work his hardest, even though he may  41  he is doing so. He is  42  likely to fail, and the failure will  43  his belief in his incompetence(无能).
Alfred Adler, a famous doctor, had  44  like this. When he was a small boy, he had a poor  45  in maths. His teacher told his  46  he had no ability in maths in order that they would not  47  too much of him. In this way, they too  48  the idea. He accepted  49  mistaken thinking of his ability, felt that it was useless to  50 , and was very poor at maths,  51  as they expected.
One day he worked out a problem which  52  of the other students had been able to solve.
Adler succeeded in solving the problem. This gave him confidence. He now  53  with interest, determination and purpose, and he soon became especially good at  54 . He not only proved that he could learn maths well, but luckily he learned early in his life from his own experience that if a person goes at a job with determination and purpose, he may  55  himself as well as others by his ability. 36—40 ABBCA   41—45 BDBAC  46—50 DBADC  51—55 CABDA
小题1:
A.beliefB.wayC.factD.condition
小题2:
A.biggestB.fullC.higherD.deepest
小题3:
A.teachingB.learningC.acceptingD.using
小题4:
A.decisionB.successC.effortD.trouble
小题5:
A.wouldB.shouldC.mustD.could
小题6:
A.forgetB.thinkC.guessD.understand
小题7:
A.trulyB.reallyC.howeverD.therefore
小题8:
A.lead toB.strengthenC.increaseD.result in
小题9:
A.an experienceB.an expertC.a thoughtD.a story
小题10:
A.stateB.mindC.startD.ending
小题11:
A.classmatesB.friendsC.neighboursD.parents
小题12:
A.blameB.expectC.getD.win
小题13:
A.developedB.organizedC.discoveredD.found
小题14:
A.aB.oneC.itsD.the
小题15:
A.manageB.succeedC.tryD.act
小题16:
A.onlyB.almostC.justD.then
小题17:
A.noneB.allC.manyD.most
小题18:
A.livedB.workedC.playedD.graduated
小题19:
A.lessonB.medicineC.subjectsD.maths
小题20:
A.encourageB.loveC.astonishD.disappoint
题型:选择题

敬业精神的基本特征有()

A.务实 

B.持久 

C.主动 

D.强制性

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属于交叉建筑物的有哪些()

A.节制闸

B.渡槽

C.倒虹吸

D.分水闸

E.泄洪闸

题型:选择题

既能解表散寒,祛风止痛,通鼻窍,又能燥湿止带,消肿排脓的药物是()

A.白芷

B.荆芥

C.防风

D.苍术

E.羌活

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