【单选题】
涉密计算机信息系统不得与国际互联网或其他公共信息网络连接，必须实行___。
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相关试题
【单选题】
过失泄露绝密级___件、机密级（ ）件或秘密级（ ）件的，应予立案。
A. 1,2,3
B. 1,3,3
C. 1,3,4
【单选题】
储存过国家秘密的信息介质可以___密级使用。
【单选题】
下列不属于我国刑法规定的保守国家秘密有关罪名的是___。
A. 奸细罪
B. 为境外的机构、组织、人员非法提供国家秘密罪
C. 非法获取、持有国家秘密罪
【填空题】
1. 机关、单位工作人员，因工作需要由个人暂时使用的涉密载体，在完成工作任务后，应及时交还___、___。
【填空题】
2. 国家秘密的密级分为：___、___、___。
【填空题】
3. 严禁存储介质在___和___间交叉使用
【填空题】
4. 现代意义上，根据涉及内容的不同，秘密可分为：___、___、___、___
【填空题】
5. 涉密信息上互联网或其他公共网络，无论是否造成危害，一律以___。
【判断题】
溶液中酸性越大，EDTA配位能力越强。
【判断题】
EDTA配位能力随溶液中pH值增大而增大。
【判断题】
EDTA滴定突跃范围与酸效应系数有关，酸效应系数越大突跃范围越大。
【判断题】
佛尔哈德法是在强酸性介质溶液中进行的。
【判断题】
直接碘量法中被测溶液必须是酸性，而间接碘量法中被测溶液必须是中性或弱酸性。
【判断题】
在挥发法测定样品中水分的可靠性首先是样品中不存在低于105℃气化的物质。
【判断题】
沉淀重量法测定晶形沉淀物时，不进行陈化，将会使测定结果偏沉。
【判断题】
三元配合物是由三种不同组分所形成的配合物，其中三个组分中只能有一个金属离子。
【判断题】
三元配合物是由三种不同组分所形成的配合物，其中三个组分中有一个金属离子，另外两种是配位体；或一种是配位体，另外两种是不同的金属离子。
【判断题】
多元配合物中应用多的是颜色有显著变化或者是摩尔吸光系数大的多元配合物。
【判断题】
三元离子缔合物经用氯仿萃取后，进行萃取光度测定时其灵敏度会下降。
【判断题】
热导池灵敏度下降的主要原因是热丝发生严重污染。
【判断题】
色谱仪发生定量重复性差的同时，还有基他如基线不稳等故障时，应首先排除其他当故障。
【判断题】
标定色谱仪重复性时发现两张谱图基本重叠但积分结果相差较大，说明积分仪参数设置不合理。
【判断题】
色谱发生控温单元硬件故障时，应请厂家或专业人员处理。
【判断题】
圆二色检测器的响应信号正比旋光物质对左右圆偏振光的吸收差。
【判断题】
圆二色检测器与液相色谱联用时，对于单一对映体在色谱图中出现的是正峰。
【判断题】
圆二色检测器与液相色谱联用时，对于单一对映体在色谱图中出现的可能是正峰或负峰。
【判断题】
若光学活性物质含有生色团，对左右圆偏振光的吸收能力不同时，叠加产生的偏振光仍然是平面偏振光。
【判断题】
圆二色检测器的响应信号与旋光性物质对左右圆偏振光的吸收成正比。
【判断题】
在分析领域中，芯片是指微型化的分离器件。
【判断题】
在分析领域中，芯片可以加快分析速度，试样、试剂用量的减少。
【判断题】
在合成药物筛选微反应阵列式芯片可以进行高通量的药物筛选。
【判断题】
芯片技术被广泛应用于医疗中的各种疾病的早期诊断。
【判断题】
回归分析是处理变量之间相关关系的数学工具。
推荐试题
【单选题】
( ) 34. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 35. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 36. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 37. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 38. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 39. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March
【单选题】
( ) 40. 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
【单选题】
) 1. —Is it far from here to the bank?
—Not very, only________．
A. 20 minute’s walk B. 20 minutes walk
C. 20 minutes’ walk D. 20 minutes’ walks
【单选题】
2. — After discussing, the students ________ some good ideas to work on the project.
— Thats great!
A. put up B. set up C. caught up with D. came up with
【单选题】
3. Yesterday Tommy walked past my table and ______ my bowls and dishes.
He should be careful next time.
A. knocked off B. took off C. showed off D. turned off
【单选题】
4.We don’t have enough nurses to look after patients．At least ___ nurses are needed．
A. ten another B. more ten C. another ten D. other ten
【单选题】
5. — Zhao Rui, it’s said that many famous singers will come to Yangzhou on April 18th. How about watching the evening show there?
—________! Let’s ask Huang Tao to go with us.
A. Best wishes B. Sounds great C. Good luck D. That’s OK
【单选题】
6.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
【单选题】
7. — It’s difficult for the village children to cross the river for school．
— I think a bridge ______ over the river．
A. was built B. is being built C. has been built D. should be built
【单选题】
8. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
A. Each B. Either C. Neither D. All
【单选题】
9 — 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. Its my pleasure D. All right
【单选题】
10. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
【单选题】
11. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
【单选题】
12. 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
【单选题】
13. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully
【单选题】
14. — Can he jump high?
— Yes, he ______. He is a good high jumper.
A. must B. need C. can D. shall
【单选题】
15. 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
【单选题】
16. —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
【单选题】
17. Simon, what do I need to take for the hiking?
Youd better ________ more water than usual. Its hot today.
A. to take B. taking C. take D. took
【单选题】
18. Helen ______ to a language school when she was seven.
A. sent B. is sent C. will send D. was sent
【单选题】
19. — Is this park youve visited recently?
— Yes, it's the most beautiful one Ive ever visited before.
A. that B. the one C. which D. the one which
【单选题】
20. — Its difficult for the village children to cross the river for school.
— I think a bridge ________ over the river.
A. should be built B. is being built C. has been built D. was built
【单选题】
21. — Could you tell me when Mr. Li ________ in Huaibei?
— Sure．．When he ________, I’ll call you．
A. arrives; will arrive B. will arrive; will arrive
C. arrives; arrives D. will arrive; arrives
【单选题】
22.There is ________ 800-metre-long road behind ________ hospital．
A. an; an B. an; the C. a; a D. a; the
【单选题】
23. — Did you see a girl in yellow pass by just now?
— No, sir. I ________ a magazine.
A. read B. am reading C. was reading D. would read
【单选题】
24.In fact, my parents are not only kind to me, but also strict ________ me.
A. at B. to C. for D. with
【单选题】
25. The boy_____ a yellow sweater can_____ himself now．
A. wearing; dress B. putting on; wear C. put on; dress D. dressing;
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【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．
【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
【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
【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.
【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.
【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.
【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
