社区居委会是居民()的基层群众性自治组织，在很多职能上实际是政府的延伸。A、自我管理

患者男性患者，23岁。咳嗽、咳大量脓痰、反复咯血8年。近2日，因受凉后出现发热，咳嗽加剧，痰量增多，为绿脓性痰液，混有少量血液。查体：T39℃，呼吸急促，左下肺闻及固定而持久的湿啰音。WBC18×10⁹/L，N85%。

下列哪一项X线改变最支持该患者的诊断（）。

A.双肺肺气肿，心影狭长，肺动脉段突出

B.左下肺见大片浓密炎症影，内有空洞

C.左下肺野纹理紊乱呈蜂窝状改变，可见小的液平面

D.左肺野外带纹理消失，见气胸线

E.多个边界纤细的圆形或椭圆形阴影，无炎症浸润

有如下3个关系R、S和T：

其中关系T由关系R和S通过某种操作得到，该操作为（）。

A．选择

B．投影

C．交

D．并

Why Melbourne? Having long lived in the shadow of Sydney, Melbourne has become a Mecca(圣地) for fashion and design and cultural centre of Australia, with an enjoyable programme of festivals

What to see? The City center’s grid（格子） system of streets conceals a maze of lanes and turn-of-the-century arcades where you will find the best cafes, bars and boutique shopping. The hidden secrets tour(00613 9329 9665,hiddensecretstour.com) guides will make sure you find what you’re after, whether it is fashion, art and design or wine. From 34 per person .

Where to eat? Melbourne is a paradise for gourmands（美食家）. And its top chefs use fresh produce and have a talent for the experimental. But for something different, indulge your culinary senses with an Australian Wine Tour Company trip. Departing from the city centre daily. You will taste wines at four of the region’s best vineyards. It costs from 48 per person, including all wine tasting, lunch and a visit to Damien Chandon(00 613 9419 4444. austwinetourco.com.au) .

Where to stay? The nunnery is an old convent（女修道院） on the edge of the city. It has double rooms with breakfast from54 per night (00 613 9419 8637, nunnery.com.au).

How to get there ? Qantas(0845 7747 767, qantas.com. au) flies from Heathrow to Melbourne twice daily from 766 return, including taxes.

More information Contact the official tourism site for Melbourne at visitmelbourne. Com/uk.

Use the links below for more on

Destination guide: Melbourne

Click here for our Melbourne page

60. To get more information about Hidden Secrets Tour, you should call____________ .

A. 00 613 9419 4444                               B. 00 613 9419 8637

C. 0845 7 747 767                                  D. 00 613 9329 9665

61.If you are interested in Australian wines, you will have to pay___.

A. 48                B. 54                  C. 34                  D. 766

62.Where can you find the passage?

A.In a magazine           B.On the Internet          C.In a guidebook          D.In a newspaper

63.The passage is written to__________.

A.introduce places of interest in Australia

B. tell readers to travel to Australia

C. offer tourists some information about Melbourne

D. introduce the history and culture about Melbourne

能够较早发现肿瘤发生骨转移的检查，下列首选的是（）。

A.X线检查

B.B超

C.CT

D.MRI

E.正电子发射断层扫描（PET）

内墙高度，无屋架者算至天棚底另加( )。

A．20cm

B．15cm

C．10cm

D．5cm