目前临床上治疗颌骨缺损应用最广泛的血管吻合游离骨移植术是() A.旋髂深动脉供血的髂

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问题:

目前临床上治疗颌骨缺损应用最广泛的血管吻合游离骨移植术是()

A.旋髂深动脉供血的髂骨移植

B.肋间血管供血的肋骨移植

C.腓动脉供血的腓骨移植

D.血管化的肩胛骨移植

E.血管化的胸大肌、肋骨移植

考点:口腔颌面外科(医学高级)口腔颌面部后天畸形和缺损口腔颌面部后天畸形和缺损题库
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若a<0,ab<0,则|a-b|-(b-a+3)的化简结果为______.

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七大洲中,面积最大的是[ ]

A.大洋洲

B.欧洲

C.非洲

D.亚洲

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The Japanese economy is at a standstill,Japan ’ s government has said, as concerns about the

strong yen(曰元)continue to grow. The recovery in the economy was “pausing",the CabinetOffice said in a monthly statement.

It is the most negative that the government has been about the economy in nearly two years.The rising yen and a slowdown in global demand for Japanese exports were blamed for the setback.

In recent months, the government has insisted that the economy is “picking up". But it saidit now expected the economy to Femain weak for some time, with “weakening" exports a chiefconcern. It said shipments to Asia in particular were becoming weaker, further hitting exportersthat are already suffering from the strong yen.

The yen remains near a 15 - year high against the US dollar, despite the financial interfer-ence (干预)in the currency markets last month for the first time in six years.

Japanese Prime Minister Naoto Kan(菅直人)has also passed a $ 63 billion stimulus(剌激)package in an effort to protect exporters who have seen the poor exchange rate eat into their prof-its. At the close of markets in Tokyo,the yen was trading at 81.44 yen to the dollar, just off thehigh of 81.27 yen.

"If the economy turns out as expected, we may end up describing the current situation as asoft patch,” one of die government officials said ’ “ But if it comes under further downwardpressure, it could end up slipping into recession(衰退).”

小题1:The Japanese government think the current bad economy situation is partly due to  .

A.the decline of the strong yen

B.the unsatisfactory exports

C.the government' s mistaken policy

D.the decline in the quality of goods小题2:In recent months, the government has a(n) attitude towards the economy situation.

A.shocking

B.negative

C.optimistic

D.aggressive小题3:From the passage we know the government has taken measures mainly to  .

A.protect the foreign markets

B.protect profits of its hitting exporters

C.monitor the yen exchange rate

D.stimulate domestic demands小题4:The passage could probably be found in.

A.government white paper

B.a science fiction

C.a travel journal

D.a newspaper report

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区分供电服务水平的主要因素有哪些?

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女,5岁,体格发育落后。自幼啼哭时唇面青紫,会行走后喜蹲踞,近2年活动后心悸、气促、发绀明显。体检:无明显杵状指,血压90/60mmHg(12/8kPa),胸骨左缘2~3肋间闻及3/6级收缩期杂音伴收缩期震颤,P2减弱,有单一感。EKG示:电轴右偏,Rv120mm。X线胸片示:靴形心,心腰凹陷,心尖上翘,肺纹理稀少。最可能的诊断是()

A.房间隔缺损伴肺动脉高压

B.室间隔缺损伴肺动脉高压

C.动脉导管未闭伴肺动脉高压

D.法洛四联症

E.单纯肺动脉狭窄

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