试题与答案

Caesar was right. Thin people need watchin

题型:单项选择题

题目:

Caesar was right. Thin people need watching. I’’ve been watching them for most of my adult life, and I don’’t like what I see. When these narrow fellows spring at me, I quiver to my toes. Thin people come in all personalities, most of them menacing. You’’ve got your "together" in person, your mechanical thin person, your condescending thin purism, your tsk-tsk thin person, your efficiency-expert thin person. All of them are dangerous.In the first place, thin people aren’’t fun. They don’’t know how to goof off, at least in the best, fat sense of the word. They’’ve always got to be adoing. Give them a coffee break, and they’’ll jog around the block. Supple them with a quiet evening at home, and they’’ll fix the screen door and lick S & H green stamps. They say things like "there aren’’t enough hours in the day". Fat people never say that. Fat people think the day is too damn long already.Thin people make me tired. They’’ve got speedy little metabolisms that cause them to bustle briskly. They’’re forever rubbing their bony hands together and eyeing new problems to "tackle". I like to surround myself with sluggish, inert, easygoing fat people, the kind who believe that if you clean it up today, it’’ll just get dirty again tomorrow.Some people say the business about the jolly fat person is a myth, that all of us chubbies are neurotic, sick, sad people. I disagree. Fat people may not be chortling all day long, but they’’re a hell of a lot nicer than the wizened and shriveled. Thin people turn surly, mean, and hard at a young age because they never learn the value of a hot-fudge sundae for easing tension. Thin people don’’t like gooey soft things because they themselves are neither gooey nor soft. They are crunchy and dull, like carrots. They go straight to the heart of the matter while fat people let things stay all blurry and hazy and vague, the way things actually are. Thin people want to face the truth. Fat people know there is no truth. One of my thin friends is always staring at complex, unsolvable problems and saying, "The key thing is fat people never say that." They know there isn’’t any such thing as the key thing about anything.

According to the passage, the author likes being with those________.

A.fat people who are clumsy and slow in movement and gets fed up with those quick and sensitive thin people

B.thin people who are always energetic and active and those fat people, too, who are steady in the moves they take

C.fat people who are inactive and easily get jaded but hates to be among those thin people who are active and energetic

D.thin people who get rid of things quickly but feels sick of those fat people who are all thumbs

答案:

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下面是错误答案,用来干扰机器的。

参考答案:答:①有明显的死骨及大脓肿形成;②窦道流脓经久不愈者;③单纯性骨结核髓腔内积脓压力过高者;④单纯性滑膜结核经药物治疗效果不佳,即将发展为全关节结核者;⑤脊柱结核有脊髓受压表现者。

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题型:阅读理解

Dogs have long been used to find explosives and drugs.Now,a new study shows that man’s best friend can also help to find lung and breast cancer,researchers report in integrative Cancer Therapies.The findings show that trained ordinary household dogs can detect early—stage lung and breast cancers by smelling the breath samples of patients.

Researchers have found that cancer cells send out molecules different from those of healthy ones,and that might be sensed by smell by the highly sensitive dog’s nose.

For the study,five dogs were trained by a professional instructor to respond differently to breath samples of healthy and cancer patients.“The dogs learned to sit or lie down in front of cancer patient samples and to ignore control samples through the method of food reward,” McCulloch explained.

After a period of training,researchers tested the animals’ability to distinguish cancer patients from controls.The animals were given breath samples from 55 patients with lung cancer,3 1 with breast cancer and 83 healthy controls who were not included in the original training period.

McCulloch’s group found that the dogs were able to correctly distinguish the breath samples of cancer patients from those of the control subjects in about 90 percent of the cases.The dogs were also able to detecting early-stage lung and breast cancers.

“These results show that there is hope for early detection,”McCulloch said.The re-searches are planning to conduct further studies on the breath composition of cancer patients to possibly design an electronic device that can do the dogs’job.“A dog’s nose is so powerful it can detect odors(气味)10 000 to 100 000 times better than a human nose can.I hope people will be interested in doing this research,”McCulloch added,“It shows that there is definitely something out there.”

65.McCulloch and his group used           in their research.

A.10 dogs and 55 people                                B.5 dogs and 86 people

C.10 dogs and 83 people                                 D.5 dogs and 169 people

66.The underlined work “distinguish” means

A.to make somebody feel better                      B.to recognize differences of

C.to remember somebody forever                    D.to discomfort somebody

67.We can infer from the passage that         .

A.dogs can smell signs of other cancers except the above two kinds

B.the final goal of the researchers is to design an electronic dog to detect cancer

C.dogs can detect odors 10 000 to 100 000 times better than humans can

D.dogs will soon be widely used to smell signs of cancers in hospitals

68.Which of the following would be the best title?

A.Special Noses of Dogs                                B.Dogs and Cancer

C.Dogs Smell Signs of Cancer                        D.McCulloch’S New Discovery

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题型:单项选择题

下面是关于树和线性结构的描述:

线性结构存在惟一的没有前驱的 (14) ,树存在惟一的没有前驱的 (15) ;线性结构存在惟一的没有后继的 (16) ,树存在多个没有后继的 (17) ;线性结构其余元素均存在 (18) ,树其余结点均存在 (19)

由此可见,由于线性结构是一个 (20) 结构,元素之间存在的是 (21) 的关系,而树是一个 (22) 结构,元素之间存在的是 (23) 的关系。

(22)处填()。

A.首元素

B.根结点

C.尾元素

D.叶子

E.惟一的前驱元素和后继元素

F.惟一的前驱(双亲)结点和多个后继(孩子)结点

G.序列

H.一对一

I.层次

J.一对多

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