下列4种不同数制表示的数中，数值最小的一个是A．八进制数52 B．十进制数44 C．

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题型：单项选择题

问题：

下列4种不同数制表示的数中，数值最小的一个是

A．八进制数52

B．十进制数44

C．十六进制数2B

D．二进制数101001

考点：计算机等级考试 MS Office 一级MS Office笔试69

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蛇是没有耳朵的，不过，如果蛇将头贴在地上，头中的一块骨头就会接收到正在接近它的动物活动的声音，由此可见，蛇是利用__________“倾听”猎物的动静．

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2008年和2012年夏季奥运会分别在北京和伦敦举行。读图甲和图乙，完成下列问题：

1、读图可知，北京和伦敦两城市的最高气温均出现在____月；两城市的降水分布情况有较大的区别，降水季节分配比较均匀的是_______（城市），降水季节差异较大的是_____（城市）。

2、北京是我国的首都，被列人世界遗产名录的名胜古迹有________、________等；伦敦是_______的首都，位于该城市的旅游胜地是__________ （选项：塔桥、艾菲尔铁塔、巴特农神庙）。

3、根据经济发展水平的差异，中国属_______国家；伦敦所在的国家属_______国家。

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A．肿块坚硬

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C． * * 凹陷

D．肿块疼痛周期性改变

E．橘皮样改变

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完形填空。
Every country has its own dining customs. Americans feel that the first rule of being a 1 guest is to be on time. If a person is invited to dinner at six thirty, the hostess 2 him to be there at six thirty or 3 a few minutes after. Because she usually does the cooking, she has to time the meal 4 the hot rolls and the coffee and the meat can be at their best when the guests come. If they are late, the food will not be so 5 , and the hostess will be 6 . 7 the guest cannot come on time, he should call his host or hostess on the phone, give the reason, and tell 8 what time he can come. 9 the situations, guests sometimes bring a box of candy, a bottle of wine or a bunch of flowers to give to the hostess as a 10 of appreciation. As guests continue to arrive, it is usually considered polite for the 11 in the group to 12 when a woman enters the room and continue to stand until she is seated. 13 , most young people and some groups of elder people 14 stress equality of the sexes no longer observe the custom. A visitor should be 15 to each situation and follow the lead of the Americans present. When the guests sit down at a dinner table, it is a 16 for the men to help the ladies by pushing their chairs under them. However, some Americans 17 do this, so the visitors must notice what others do and do the 18 . 19 the meal is under way and if the dinner is in a private home, a guest 20 avoid embarrassment by leaving talk to someone else.
( )1. A. polite ( )2. A. tells ( )3. A. at most ( )4. A. in case ( )5. A. tender ( )6. A. angry ( )7. A. If ( )8. A. at ( )9. A. Looking at ( )10. A. matter ( )11. A. host ( )12. A. smile ( )13. A. As a result ( )14. A. whose ( )15. A. aware ( )16. A. custom ( )17. A. even ( )18. A. following ( )19. A. Unless ( )20. A. shouldn't	B. elegant B. expects B. less than B. as long as B. nutritious B. nervous B. Unless B. in B. Combined with B. heart B. men B. stand B. Moreover B. what B. similar B. regulation B. no longer B. same B. Until B. must	C. honored C. asks C. at least C. so that C. good C. shameful C. Whether C. on C. Depending on C. sense C. hostess C. applaud C. In addition C. who C. active C. habit C. still C. deed C. While C. needn't	D. serious D. hopes D. more than D. on condition that D. enough D. disappointed D. Although D. about D. Related to D. sign D. women D. nod D. However D. which D. sensitive D. principle D. no more D. example D. After D. may

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“企业依存于客户，因此应当理解客户当前和将来的需求，充分满足客户的需求，并极力设法超越客户的期望。”这句话反映了ISO质量管理原则中的（）。

A、领导作用

B、以客户为中心

C、持续改进

D、全面参与

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