【单选题】
下面不属于云计算服务模式的是___。
A. SaaS
B. PaaS
C. IaaS
D. CaaS
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答案
D
解析
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相关试题
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在下列应用场景中，属于SaaS(软件即服务)模式的是___。
A. 供应商通过Internet提供软件，消费者从供应商处租用基于Web的软件来管理企业经营活动
B. 供应商开拓新的IT基础设施业务，消费者通过Internet从计算机基础设施获得服务
C. 消费者从供应商处购买软件的license
D. 消费者从互联网下载和使用免费软件
【单选题】
采集波形声音，采用___的音质最好。
A. 单声道.8位量化.22.05kHz采样频率
B. 双声道.8位量化.44.1kHz采样频率
C. 单声道.16位量化.22.05kHz采样频率
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【单选题】
在下列有关位图与矢量图的叙述中，错误的是___。
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B. 矢量图是把图形对象当作矢量来处理
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C. DBS与DB.DBMS等价
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叙述正确的是___。
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下面关于算法的错误说法是___
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评价一个算法好坏的基本原则之一是算法的健壮性。健壮性是指___。
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目前发展迅速的___是一种新的计算模式，它将计算.数据.应用等资源作为服务提供给用户的一种计算机集群的计算模式。
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D. 服务计算
【单选题】
下列关于计算机病毒的叙述中错误的是___。
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下面哪个症状不是感染计算机病毒时常见到的现象___
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以下关于防火墙的特点，错误的有___
A. 防火墙可以对网络数据包进行过滤
B. 防火墙可以有效记录网络上的活动
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D. 防火墙可以阻止来自内部网络的攻击
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下列叙述中，错误的是___。
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B. 操作系统是用户与计算机硬件的接口
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在Windows 7 环境下，对文件执行复制操作后，“剪贴板”中保存的是___。
A. 该文件中的文本内容
B. 该文件的活动窗口
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下列关于Power Point 2010的叙述中，错误的是___。
A. 幻灯片的大小（尺寸）无法改变
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一幅分辨率为1024*768的24位真彩色图像，其存储容量为___字节。
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推荐试题
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young
A. A
B. B
C. C
D. D
【单选题】
( ) 29. When a baseball player hits the ball, he must ______ to get a point.
A. run to each base freely
B. touch the home plate first
C. touch all the bases with his hands
D. run to each base in order and touch it with his foot
A. A
B. B
C. C
D. D
【单选题】
( ) 30. When was the importance of touching all the bases shown?
A. Before the baseball rules made.
B. At the end of the 1974 baseball seasons.
C. At the start of the 1974 baseball seasons.
D. In the second week of 1974.
A. A
B. B
C. C
D. D
【单选题】
( ) 31. Who hit home run number 715?
A. Babe Ruth. B. Hank Aaron. C. Babe Ruth’s partner. D. Hank Aaron’s friend.
A. A
B. B
C. C
D. D
【单选题】
( ) 32. What does the expression “to touch all bases” mean?
A. To try your best to set a new record.
B. To get a chance to be the greatest hitter.
C. To do what is needed to finish an activity.
D. To solve the problems successfully.
A. A
B. B
C. C
D. D
【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
A. A
B. B
C. C
D. D
【单选题】
( ) 34. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
A. A
B. B
C. C
D. D
【单选题】
( ) 35. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March 22
A. A
B. B
C. C
D. D
【单选题】
( ) 36. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
A. A
B. B
C. C
D. D
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
B. B
C. C
D. D
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
A. A
B. B
C. C
D. D
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
A. A
B. B
C. C
D. D
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
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A. A
B. B
C. C
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【单选题】
1.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
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B. B
C. C
D. D
【单选题】
2. — It’s difficult for the village children to cross the river for school．
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【单选题】
3. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
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B. B
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【单选题】
4. — The documentary A Bite Of China II is quite popular around China recently. How do you like it? — ______.
A. I think so B. Pretty good C. It’s my pleasure D. All right
A. A
B. B
C. C
D. D
【单选题】
5. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
A. A
B. B
C. C
D. D
【单选题】
6. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
A. A
B. B
C. C
D. D
【单选题】
7. This week, the _______ seems to change every day: one day is hot; the next day is cold.
A. time B. weather C. season D. way
A. A
B. B
C. C
D. D
【单选题】
8. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully as
A. A
B. B
C. C
D. D
【单选题】
9. — Can he jump high?
— Yes, he ______. He is a good high jumper.
A. must B. need C. can D. shall
A. A
B. B
C. C
D. D
【单选题】
10. The shop _____ at 8:00 a．m．and it ________ for ten hours every day．
A. is open; has opened B. is opened; opens
C. opens; is open D. opened; opens
A. A
B. B
C. C
D. D
【单选题】
11. —Excuse me, may I use your bicycle? ______ is broken.
—Certainly. But remember to return it before lunch.
A. Mine B. Me C. Myself D. I
A. A
B. B
C. C
D. D
【单选题】
12. —Simon, what do I need to take for the hiking?
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A. A
B. B
C. C
D. D
【单选题】
13. Helen ______ to a language school when she was seven.
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A. A
B. B
C. C
D. D
【单选题】
14. — Is this park you’ve visited recently?
— Yes, it's the most beautiful one I’ve ever visited before.
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A. A
B. B
C. C
D. D
【单选题】
15. — It’s difficult for the village children to cross the river for school.
— I think a bridge ________ over the river.
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A. A
B. B
C. C
D. D
【单选题】
16. — Could you tell me when Mr. Li ________ in Huaibei?
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A. A
B. B
C. C
D. D
【单选题】
) 17.There is ________ 800-metre-long road behind ________ hospital．
A. an; an B. an; the C. a; a D. a; the
A. A
B. B
C. C
D. D
【单选题】
18. — Did you see a girl in yellow pass by just now?
— No, sir. I ________ a magazine.
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A. A
B. B
C. C
D. D
【单选题】
19.In fact, my parents are not only kind to me, but also strict ________ me.
A. at B. to C. for D. with
A. A
B. B
C. C
D. D
【单选题】
20. The boy_____ a yellow sweater can_____ himself now．
A. wearing; dress B. putting on; wear C. put on; dress D. dressing; wear
A. A
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D. D
【单选题】
21. —Jack, I haven’t seen your brother for a long time．
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A. went to B. has gone to C. has been in D. has been to
A. A
B. B
C. C
D. D
【单选题】
22. The meat with eggs tastes ______. Would you like some more?
A. nice B. well C. bad D. wonderfully
A. A
B. B
C. C
D. D
【单选题】
23. — Look! The man standing at the gate ______ be our headmaster．
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A. A
B. B
C. C
D. D
【单选题】
24. The Japanese government must do everything ________ polluted water from running into rivers, lakes, seas and oceans．
A. keep B. kept C. Keeping D. to keep
A. A
B. B
C. C
D. D
【单选题】
25. —Hi, Jack．Did you go to Jim’s birthday party?
—No, I felt so sad．I ．
A. didn’t invite B. am not invited C. wasn’t invited D. hadn’t invited
A. A
B. B
C. C
D. D
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
A. A
B. B
C. C
D. D
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox．
A. A
B. B
C. C
D. D
