生态系统具有自动调节能力,因此生态系统总能保持相对的稳定。()

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问题:

生态系统具有自动调节能力,因此生态系统总能保持相对的稳定。   (  )

考点:生态系统的概念和组成食物链和食物网生态系统的多样性生态系统的自动调节能力生态系统的功能
题型:判断题

“自然界没有不凋谢的花,人世间没有无曲折的路”。下列选项中,对这句话的理解错误的是[ ]

A.困难和挫折是难免的

B.生活中的挫折是不可克服的

C.挫折是人生的一部分

D.挫折丰富我们的人生。

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皮肤针重叩可治疗()。

A.血虚型头痛

B.外感头痛

C.气滞血瘀型头痛

D.偏正头痛

E.顽固性头痛

题型:判断题

阅读理解。

     For almost two months, Dominic York, a 23-year-old hairdresser, wandered about hospitals at night,

wearing a white coat and pretending he was a doctor. Yesterday he proudly claimed in court that despite

his complete lack of medical experience or qualifications, he had saved several people's lives. He has even

been allowed to assist a surgeon (外科医生) during an emergency operation on a patient who was about

to die on something she had eaten.

     "I watched one of those TV dramas about a hospital and suddenly I felt like playing one of the roles

myself. So I put on a white jacket and a stethoscope (听诊器) and walked around one of the biggest

hospitals in London. At first I just watched. Once you learn how doctors talk to patients, nurses and other

doctors, it's easy to take people in." he said.

     One of the patients he treated was Laura Kennan. She had been knocked down by a car and fainted.

When she came to hospital, York was standing over her.

     "He looked very professional. He told me his name was Doctor Simon. Then he gave me some sort of

injection," she said. And then he suddenly cleared off when a nurse asked who he was. She didn't think

there was anything wrong. "I would never have realized he was a fake if a policewoman hadn't showed me

his photograph a week later. When the policewoman told me who he really was, I could hardly believe my

ears."

     Judge Raymond Adams told York that he was "shocked and horrified" that he got away with his cheating

for so long, and then sentenced him to eighteen months in a special prison for criminals with mental disorders.

     "I can only hope that this will not lead to further problems. After all, you will have considerable opportunity

to study the behavior of the psychiatrists (精神科医生) who will look after you while you are there. If you

try to persuade people that you yourself area psychiatrist after you are set free, I shall make sure that you are

given a much longer sentence," Judge Adams warned York.

1. York was proud of' the fact that _____. [ ]

A. people thought he could become a real doctor

B. a surgeon let him watch an operation

C. he could perform some duties of a doctor

D. he had cheated doctors for so long

2. York learned how to behave like a doctor by _____. [ ]

A. observing doctors while he was a patient

B. watching other doctors work

C. talking to doctors and nurses

D. getting some training and experience

3. Why was Laura Kennan in hospital? [ ]

A. She had lost consciousness while driving.

B. She had swallowed something and almost died.

C. She had to have an emergency operation.

D. She had been injured in a road accident.

4. The judge's remark implied that York would be more severely punished if he _____. [ ]

A. studied the behavior of the psychiatrist

B. pretended to be a psychiatrist

C. tried to get away from prison

D. was proud of what he had done

题型:判断题

高碱度烧结矿的主要优点是()。

A.产量高

B.粉末少

C.还原性好

D.焦比低

题型:判断题

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