如果圆锥的底面周长是20π,侧面展开后所得的扇形的圆心角为120°,则圆锥的母线

题型:填空题

问题:

如果圆锥的底面周长是20π,侧面展开后所得的扇形的圆心角为120°,则圆锥的母线是(    )。

考点:圆锥的计算
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今有长为AB=2a、重为Q的船。船上有重为P的人。设人最初在船上A处,后来沿甲板向右行走,如不计水对船的阻力,求当人走到船上B处时,船向左移动的距离ι为()。

A.A

B.B

C.C

D.D

题型:填空题

关于海绵状血管瘤的CT诊断标准,下列不正确的是()。

A.平扫表现低密度区

B.呈"早出晚归"征象

C.可出现动脉-门静脉短路

D.增强扫描从周边部开始增强,增强密度接近同层大血管的密度,随时间延续增强范围向中心扩展且增强密度逐渐下降

E.最后增强密度下降变成等密度

题型:填空题

阅读理解。

     There were smiling children all the way. Clearly they knew at what time the train passed their homes and

they made it their business to stand along the railway, wave to complete strangers and cheer them up as they

rushed towards Penang. Often whole families stood outside their homes and waved and smiled as of those

on the trains were their favorite relatives. This is the simple village people of Malaysia. I was moved.

     I had always traveled to Malaysia by plane or car, so this was the first time I was on a train. I did not

particularly relish the long train journey and had brought along a dozen magazines to read and reread. I looked

about the train. There was not one familiar face. I sighed and sat down to read my Economics.

     It was not long before the train was across the Causeway and in Malaysia. Johore Baru was just another

city like Singapore, so I was tired of looking at the crowds of people as they hurried past. As we went beyond

the city. I watched the straight rows of rubber trees and miles and miles of green. Then the first village came

into sight. Immediately I came alive; I decided to wave back.

     From then on my journey became interesting. I threw my magazines into the waste basket and decided to

join in Malaysian life. Then everything came alive. The mountains seemed to speak to me. Even the trees were

smiling. I stared at everything as if I was looking at it for the first time.

     The day passed fast and I even forgot to have my lunch until I felt hungry. I looked at my watch and was

surprised that it was 3:00 pm. Soon the train pulled up at Butterworth. I looked at the people all around me.

They all looked beautiful. When my uncle arrived with a smile, I threw my arms around him to give him a

warm hug (拥抱). I had never done this before. He seemed surprised and then his weather-beaten face warmed

up with a huge smile. We walked arm in arm to his car. I looked forward to the return journey.

1. The author expected the train trip to be _____.

A. adventurous

B. pleasant

C. exciting

D. dull

2. What did the author remember most fondly of her train trip?

A. The friendly country people.

B. The mountains along the way.

C. The crowds of people in the streets.

D. The simple lunch served on the train.

3. Which of the following words can best take the place of the word "relish" in the second paragraph?

A. choose

B. enjoy

C. prepare for

D. carry on

4. Where was the writer going?

A. Johore Baru.

B. The Causeway

C. Butterworth.

D. Singapore.

5. What can we learn from the story?

A. Comfort in traveling by train.

B. Pleasure of living in the country.

C. Reading gives people delight.

D. Smiles brighten people up.

题型:填空题

规范研究方法以某种价值判断为基础,解决客观经济现象( )的问题。

A.应该是什么

B.是怎样

C.是什么

D.实际

题型:填空题

营业机构会计达标升级考核项目中,内控制度执行及操作流程管理主要包括授权管理、()、账表登记簿管理和业务印章联行机具使用管理等几大部分。

A.机构调置及柜员管理

B.账户管理

C.重空凭证及有价单证管理

D.现金库房管理

E.会计凭证管理

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