对于往复式内燃机，检查（），可用手指（）。

病历摘要：患者女，42岁，主诉左耳流脓一周，脓液间带有血丝，伴轻度头晕、头痛，低热。在当地医院予以抗生素治疗近一周无明显好转。追问病史，诉20年前曾有左耳流脓约1年，经治疗好转，此后偶有出现流脓，持续时间短。一周前，因受凉出现左耳再次流脓，并伴有头痛，不缓解。检查：左耳道多量黄白色脓液，较稠厚，清理干净后，见鼓膜后上象限松弛部穿孔，鼓室内较多分泌物。

根据以上检查结果，初步考虑那些疾病？提示：纯音测听：右耳听力正常，左耳气骨导之间有差距，气导语频65dB，骨导30dB。声导抗测听，右耳A型，左耳B型。颞骨CT显示：鼓室、鼓窦及乳突部均有软组织影并伴有骨质破坏区，大脑颞叶有局限性低密度区。（）

A.中耳癌

B.结核性中耳乳突炎

C.慢性中耳乳突炎，胆脂瘤型

D.慢性中耳乳突炎，胆脂瘤型并颅内脓肿

E.慢性中耳乳突炎，骨疡型

F.外耳道胆脂瘤

G.急性坏死性中耳炎

H.慢性中耳乳突炎，胆脂瘤型并硬膜外脓肿

A well-dressed man entered a famous jewelry shop. He explained that he wished to buy a pearl for his wife’ s birthday. The price didn’t matter, since business had been very good for him that year. After examining a nice black one that costs $5, 000, he paid for the pearl in cash, shook hands with the jeweler, and left.

A few days later the man returned and said that his wife liked the pearl so much that she wanted another one just like it. It had to be exactly the same size and quality as she wanted a pair of earrings made. "Can you give me any advice on how to get such a pearl?" said the man. The jeweler regretfully replied, "I would say it’s exactly impossible to find one exactly like that pearl."

The rich man insisted that the jeweler advertise in the newspapers, offering $25,000 for the matching pearl. Many people answered the advertisement but nobody had a pearl that was just right.

Just when the jeweler had given up hope, a little old lady came into his store. To his great surprise, she pulled the perfect pearl from her purse." I don’t like to part with it." she said sadly, I got it from my mother, and ,my mother got it from hers. But I really need the money.

The jeweler was quickly to pay her before she changed her mind .Then he called the rich man’s hotel to tell him the good news .The man, however, was nowhere to be found.

小题1:The man said he wanted to buy a pearl for _____.

A．his wife

B．his mother-in-law

C．his own mother

D．no one小题2:Many people answer the advertisement because they wanted______.

A．to see the perfect pearl

B．to buy some beautiful pearl too

C．to get in touch with the rich man

D．to sell their own pearl at a high price小题3:The jeweler couldn’t find the man anywhere because ______.

A．he died suddenly

B．he happened to be out

C．he got $20,000 by cheating and had run away with the money

D．he wouldn’t show up until the jeweler called him a second time

行T管引流术，术后T管引流液量正常下一般不低于()

A．500ml

B．400ml

C．300ml

D．200ml

E．100ml

ATM信元由53字节组成，前 (61) 个字节是信头，其余48字节是信息字段。

A．8

B．5

C．8

D．5

下面对对象概念描述错误的是 (33) 。

A．任何对象都必须有继承性

B．对象是属性和方法的封装体

C．对象间的通讯靠消息传递

D．操作是对象的动态属性