[判断题] 在轻松愉快的场合，宜采用即兴式演讲，它能给人以活泼、流畅的美感。
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二蛋爱偷懒 2dan.com.cn
二蛋说：在有限的条件下，二蛋将尽最大努力提供一个纯净无广告，无安装插件，无病毒，并且直观超级简洁的海量学习题目平台，感谢各位用户的支持！[单选题] 根据所依据的数学难题，除了（ ）以外，公钥密码体制可以分为以下几类。A 模幂运算问题。 B 大整数因子分解问题。 C 离散对数问题。 D 椭圆曲线离散对数问题。 |
[单选题] 在以下人为的恶意攻击行为中，属于主动攻击的是（ ）A 数据篡改及破坏。 B 数据窃听。 C 数据流分析。 D 非法访问。 |
[单选题] 以下关于计算机病毒的特征说法正确的是：（ ）A 计算机病毒只具有破坏性，没有其他特征。 B 计算机病毒具有破坏性，不具有传染性。 C 破坏性和传染性是计算机病毒的两大主要特征。 D 计算机病毒只具有传染性，不具有破坏性。 |
[单选题] 身份鉴别是安全服务中的重要一环，以下关于身份鉴别叙述不正确的是＿＿。A 身份鉴别是授权控制的基础。 B 身份鉴别一般不用提供双向的认证。 C 目前一般采用基于对称密钥加密或公开密钥加密的方法。 D 数字签名机制是实现身份鉴别的重要机制。 |
[单选题] – I am worried about my son’s eyesight so much. –A He always takes books so close to his eyes.。 B You think too much.。 C There’s nothing special.。 D Maybe you can take him to have a check.。 |
[单选题] –What do you think I should do? – _________________A I don’t know.。 B That’s not my business.。 C You must talk with him.。 D You’d better talk with him.。 |
[单选题] Police attempted to ____________ protesters marching towards the governor’s office building.A turn off。 B turn on。 C turn up。 D turn back。 |
[单选题] __________ Japan and __________ United States are separated by __________ Pacific Ocean.A the, the, the。 B /, /, the。 C /, the, /。 D /, the, the。 |
[单选题] Mr. White ____________ at 8:30 for the meeting, but he didn’t turn up.A should have arrived。 B should arrive。 C should have had arrived。 D should be arriving。 |
[单选题] Most wage claims are settled by ____________.A compromise。 B comparable。 C comfortable。 D concentrated。 |
[单选题] __________ violin is one of __________ hardest musical instruments to playA The, the。 B A, the。 C /, the。 D /, /。 |
[单选题] The number of deaths from heart disease will be reduced greatly if people ____________ to eat more fruit and vegetables.A persuade。 B will persuade。 C be persuaded。 D are persuaded。 |
[单选题] They said that food supplies were almost ____________.A existed。 B entered。 C exhausted。 D enquired。 |
[单选题] Mike is ____________ Johnson.A as successful a manager as。 B as a successful manager。 C as a manager successful as。 D as successful manager as。 |
[单选题] These local snacks taste ____________.A good。 B well。 C to be good。 D to be well。 |
[单选题] --What do you think of the new magazine? -- Oh, excellent. It’s worth ____________.A to read。 B to be read。 C reading。 D being read。 |
[单选题] There was no obvious reason why this could not be ____________ a film as the original.A possible。 B likely。 C easy。 D as good。 |
[单选题] – He must be a top student in his school. –A I have doubt.。 B There is no doubt about it.。 C Yes. No doubt.。 D It is not doubtful.。 |
[单选题] Sarah looked slender-waisted, ____________ and very beautiful.A fragility。 B to be fragile。 C fragile。 D weakly。 |
[单选题] It’s __________ windy day. Let’s stay indoors.A a such。 B such a。 C a so。 D so a。 |
[单选题] The school will give ____________ to science, math and modern languages.A balance。 B surroundings。 C hobby。 D priority。 |
[单选题] __________ Shangrila Hotel is just __________ fifteen-minute walk from __________ university campus.A The, a, a。 B /, a, /。 C /, a, the。 D The, a, the。 |
[单选题] Without __________ music, life would be __________ mistake.A the, the。 B a, the。 C /, a。 D the, a。 |
[单选题] Be careful when you cross this very busy street. If not, you may ____________ run over by a car.A have。 B get。 C become。 D turn。 |
[单选题] Some first-generation college students carry __________ hopes and dreams of __________ parents for a better life than they have had.A /, their。 B their, the。 C the, their。 D the, /。 |
[单选题] I had some trouble __________ the letter. His handwriting is very bad.A on reading。 B reading。 C to read。 D read。 |
[单选题] – Let’s go fishing. –A How could you do that?。 B I have no interest.。 C No, are you crazy?。 D I’d like that. But I can’t afford time.。 |
[单选题] I want to learn____________ about the industry so that I'm better prepared.A possible of。 B as much as possible。 C as possible much。 D as possible as much。 |
[单选题] –I don’t know which major I should choose to study. – _________________A I have no idea.。 B Have you ever thought of computer science?。 C You ask a wrong person.。 D You don’t know at this moment。 |
[单选题] – Will they go for a picnic today? – _________________A Yes, perfectly.。 B Yes, it is.。 C Well, it depends.。 D Not at all.。 |
[单选题] – Will you be able to finish the job this month? – _________________A I can't say so.。 B I'm not sure so.。 C I don't know so.。 D I don't expect so.。 |
[单选题] Jane kept weighing herself to see how much ____________ she was getting?A heavier。 B heavy。 C the heavier。 D the heaviest。 |
[单选题] He seems so honest and genuine and my every ____________ says he's not.A instinctive。 B instinctively。 C instant。 D instinct。 |
[单选题] I turned back after a while, but he ____________ walking.A kept on。 B kept from。 C 经kept with。 D kept to。 |
[单选题] – Would you like a cup of coffee? –A I dislike coffee.。 B It tastes terrible.。 C No, thanks. I’ve had at home.。 D Why not?。 |
[单选题] – How about going to see a film tonight? –A Oh, it couldn’t be better.。 B Yes, I will go.。 C Of course.。 D Yes, I think so.。 |
[单选题] Many foreign tourists prefer to cut a check to ____________ travel expenses.A give。 B cover。 C take。 D clean。 |
[单选题] The willow is __________ tree that blooms once __________ year in spring.A the, the。 B the, a。 C a, the。 D a, a。 |
[单选题] –What about going shopping together? – _________________A It sounds good.。 B I prefer go alone.。 C I am occupied.。 D I have no time.。 |
[单选题] Children should be taught not to __________ handicapped people.A glare at。 B stare at。 C glance at。 D peep at。 |
[单选题] – I believe they have finished their tasks. – _________________A No, I’d rather not.。 B No, it can’t be true.。 C No, I don’t think so.。 D No, it isn’t the same.。 |
[单选题] I will never again ____________ the noble potato, golden fruit of the earth, to which we owe so much.A take off。 B take back。 C take sth. for granted。 D take down。 |
[单选题] – Should I book a table in advance? –A That’s a good idea.。 B You are so cautious。 C Why do you always want to do such thing?。 D Oh, forget it.。 |
[单选题] The discovery of new evidence led to ____________.A the thief having caught。 B catch the thief。 C the thief being caught。 D the thief to be caught。 |
[单选题] I was one of those people who went to __________ college knowing exactly what I wanted to do with __________ life.A /, my。 B a, the。 C /, the。 D my, my。 |
[单选题] – How do you think about the result? – _________________A It’s hard to say, actually.。 B No, I don’t know。 C of course not.。 D I never think of it.。 |
[单选题] __________ banker is __________ man who lends you __________ umbrella when the weather is fair, and takes it away from you when it rains.A The, the, the。 B A, a, an。 C A, the, an。 D The, a, an。 |
[单选题] We are puzzled __________ how it happened.A as usual。 B as yet。 C as well。 D as to。 |
[单选题] The international table tennis game will come to us ____________ from Germany.A lively。 B alive。 C live。 D living。 |
[单选题] ____________ the way we had come, we could see the whole valley spread out behind us.A Looking back。 B Having looked back。 C To look back。 D Being looked back。 |
[单选题] The director spent as much time staying in office as he ____________ walking around the plant.A does。 B had。 C was。 D did。 |
[单选题] –I can’t sleep well recently. – _________________A Me, too.。 B You work too hard.。 C Why don’t you talk to your doctor?。 D Why bother?。 |
[单选题] According to the art dealer, the painting ____________ to go for at least twenty thousand pounds.A is expected。 B expects。 C expected。 D is expecting。 |
[单选题] We are masters of our own ____________.A destiny。 B destined。 C destination。 D determination。 |
[单选题] Workers in big firms receive a ____________ part of their pay in the form of bonuses and overtime.A enough。 B substantial。 C lot。 D amount。 |
[单选题] You’re ____________ your time trying to persuade him, he will never join us.A spending。 B losing。 C wasting。 D missing。 |
[单选题] Jim couldn’t remember when he first met Professor Wang, but he was sure it was __________ Sunday because everybody was at __________ church.A /, the。 B the, /。 C a, /。 D /, /。 |
[单选题] George is studying __________ Chinese geography and his sister Ann is studying __________ history of China.A the, the。 B the, /。 C /, the。 D /, /。 |
[单选题] We always ______ all sorts of warning signals about our health, leaving regrets in the end.A overlooked。 B overtook。 C overacted。 D overemphasized。 |
[单选题] –If you were in my position, what would you do? – _________________A Hi! It’s you problem.。 B I weren’t you.。 C If I were you, I would give up.。 D I don’t know.。 |
[单选题] — ____________________________ — It has been a pleasure. Goodbye! — Goodbye!A It was nice of you to come to see me.。 B See you later.。 C Stay in touch.。 D Hope to see you soon.。 |
[单选题] — ____________________________ — Won't you have another coffee?A Thank you very much for a wonderful party。 B I’m glad to have met you.。 C Thanks for all your hospitality.。 D Sorry, it's time I left now.。 |
[单选题] Children are encouraged to put ______ some of their pocket money to buy Christmas presents for the poorer ones.A in。 B off。 C away。 D aside。 |
[单选题] Schumacher ____________ effortlessly to his new surroundings.A adopted。 B adapted。 C accepted。 D obtained。 |
[单选题] As days went by, a deep friendship began to ______ between them.A become。 B develop。 C come。 D stand。 |
[单选题] The scenic spot is crowded with tourists ______ all through the year.A at a time。 B at other times。 C at all times。 D at one time。 |
[单选题] The hooligan is __________ at a passing pretty girl．A glancing。 B leering。 C glare。 D look。 |
[单选题] In the area, AIDS is __________ disease that the very mention of it strikes terror into the population.A a so dreadful。 B so dreadful a。 C such dreadful。 D a such dreadful。 |
[单选题] ______ yourself in other’s shoes, then you will never do the wrong thing.A Set。 B Make。 C Take。 D Put。 |
[单选题] Mary insisted ______ being present at all the interviews with the foreign company.A with。 B on。 C in。 D at。 |
[单选题] A man I easily ______ as Bob’s father sat there with a newspaper in hands.A knew。 B understood。 C had。 D recognized。 |
[单选题] She was 17 at that time and the experience molded (造就) her ______.A person。 B personnel。 C personality。 D personal。 |
[单选题] He took a taxi to the airport in a hurry ______ find that he forgot the ticket at home.A to。 B in order to。 C only to。 D as to。 |
[单选题] He has very __________ eyes; he catches sight of things quickly.A shortsighted。 B farsighted。 C sharp。 D big。 |
[单选题] I couldn’t __________ who he was.A find out。 B set out。 C fill out。 D figure out。 |
[单选题] It is a(an) ______ of setting your goals and following them.A thing。 B event。 C matter。 D affair。 |
[单选题] Lots of children have ______ friends.A image。 B imagination。 C imaginary。 D imaginative。 |
[单选题] He is __________.A aggressive。 B progression。 C congress。 D digress。 |
[单选题] Human beings are social animals; therefore, we need friends and I’m __________ exception.A above。 B beyond。 C without。 D no。 |
[单选题] The police insist that Michael did not follow the correct ______ in applying for a visa.A process。 B progress。 C program。 D procedure。 |
[单选题] Make sure that you drink plenty of ______ before you have a shower.A solid。 B gas。 C fluid。 D thing。 |
[单选题] She is a creature of emotions, ______ reason.A than。 B but than。 C rather than。 D other than。 |
[单选题] She is ______ to accept change, though she has been living in the small village for 60 years.A like。 B likely。 C unlikely。 D alike。 |
[单选题] ______ are journalists admitted to this region.A Ever。 B Rarely。 C Always。 D Not。 |
[单选题] He looked me right __________ the eyes and lied.A at。 B in。 C for。 D on。 |
[单选题] —I’m glad to have you here. Do drop by if you have time. — ____________________________A Thanks, I will.。 B See you tomorrow.。 C Well, take care of yourself.。 D Hope to see you soon.。 |
[单选题] Don’t use __________ plate as __________ ashtray.A the, the。 B the, an。 C /, an。 D /, /。 |
[单选题] __________ division between English-speaking Canadians and French-speaking Canadians is __________ important issue Canada is faced with.A An, the。 B An, an。 C The, the。 D The, an。 |
[单选题] —Thank you for everything. — Well, have a nice trip and best wishes to your wife. — Thanks. ____________________________A Just stay here。 B I know.。 C I hope we meet again soon。 D I’m on my way.。 |
[单选题] Though quick-tempered, he is a good man, ______.A in no way。 B in the way。 C in this way。 D in some way。 |
[单选题] It took hours of study before the solution finally __________ him.A dawned on。 B relied on。 C taken on。 D impressed on。 |
[单选题] In fact, the panic is __________. As the map shows, the drought has been confined to the south and east of Britain.A overheard。 B overcharged。 C overdone。 D overtime。 |
[单选题] In the dictionary a workaholic is ____________ as a person obsessively addicted to work.A regarded。 B defined。 C taken。 D labeled。 |
[单选题] – So what should we do next？ –A Let’s have a cup of tea, and then discuss the plan.。 B I am not clear.。 C No hurry.。 D I’m too busy to do anything.。 |
[单选题] It is best to ____________ it easy under this condition.A relax。 B take。 C deal with。 D cope with。 |
[单选题] —I will call you before I go. Well, I’ve got to run. — ____________________________A I’m pleased to meet you.。 B Yes, you can leave if you like.。 C Oh, no, you can’t.。 D All right. Hope to see you soon.。 |
[单选题] He entered the house with __________ to steal.A contend。 B content。 C intend。 D intent。 |
[单选题] — I’d better be off now. — ____________________________A You must be tired.。 B Couldn’t you stay a little longer?。 C I’m sorry to have taken up too much time.。 D Go slowly.。 |
[单选题] Little ____________ about his own safety, though he was in great danger himself.A does he care。 B did he care。 C he cares。 D he cared。 |
[单选题] ______ the passage, what does the author really want to inform us?A according to。 B due to。 C Based to。 D In light of。 |