最能提示腹膜炎存在的体征是A．肠鸣音减弱 B．叩出移动性浊音 C．腹部压痛 D．腹部

男孩，1岁半，体重10kg。为了保证健康的生长发育，其每日所需的热量、蛋白质和水分应是 热量(kJ) 蛋白质(g) 水分(ml)

A．3347(800 kca 20 1000

B．3766(900 kca 15 1100

C．4184(1000 kca30 1250

D．5021(1100 kca35 1500

E．6276(1500 kca40 1500

虚喘的病机为

A．精气不足，肺肾出纳失常

B．肺气虚耗

C．肾虚

D．肾虚痰阻

E．脾虚湿停

Dublin has the benefit of being a home to unequaled beaches．They can be especially attractive during the summer season．Experience this scenery for yourself and see what these beaches have to offer you．

Finding yourself at Dollymont makes you a fortunate tourist especially if you find beaches irresistible． Here you can swim away your worries through the Dollymont Blue Flag Beach．The beach provides a wonderful view which is perfect for some relaxing moments．Its shoreline is well recommended for a few quiet and unworried walks along the beach．

For some beach adventure, you can drive your way down the M50 and M 1 motorways to Donabate． This village in North County Dublin offers an attractive Blue Flag beach which is perfect for your swimming addictions．Lifeguards are on call during bathing period．The water is as overpowering as the surrounding．

For a double purpose beach, check out Killiney．This beach is a top off destination for a swimming adventure and it is equally grand for relaxing walks. The shoreline is covered with pebbles and rocks．This may seem averred with ordinary stony beach for some but for those who have strong interest in geological processes, Killiney is a best spot to discover part of．Dublin's history and Killiney's formation．

Another accessible Blue Flag Beach lies on Malahide in Fingal．You can enjoy the distinctive attraction of the water while still getting yourself amazed with the wonderful sights around Malahide．Beach is sandy and holds a harbor designed for pleasure boats at the Northern end．

For a bit of challenge and thrill, consider a swim at Seapoint Beach in Dun Laoghaire Rathdown．You can have the pleasure of an exciting surf adventure here apart from the usual swimming activity．This is often visited by tourists due to its various appeals: swimming on the north part of the beach while surfing, boating and jet skiing at the south．

Need to beat the heat off your summer vacation? There is nothing as satisfying as a visit to some of these outstanding beaches.

小题1:How many beaches are mentioned in this article?

A．Five

B．Four

C．Three

D．Two小题2:If you are visiting Killiney, which of the following activities can't you do?

A．Having a swimming adventure．

B．Having some relaxing walks．

C．Discovering some Dublin's history．

D．Practising operating boats for pleasure．小题3:Some tourists choose a swim at Seapoint Beach probably because they can _____．

A．get themselves interested in the sights around

B．have a wonderful surf on the north of the beach

C．enjoy several unusual and exciting activities

D．call the lifeguards during bathing period小题4:If you want to be quiet and have same relaxing walks, you may pay a visit to _____．

A．Dollymont and Donabate

B．Donabate and Malahide

C．Dollymont and Killiney

D．Killinev and Malahide小题5:The best title of this article should be _____．

A．Where to go swimming in summer

B．Beating off the heat in Dublin

C．Benifits of staying at beaches

D．Geological researches in vacation

电阻坩埚炉的最大缺点是熔炼时间长，熔炼150~200Kg铝液，第一炉需要（）小时，耗电较大，生产率低。

A.6~8

B.5~5.5

C.7~9

脊椎结核的较常见X线表现有（）

A.大块死骨

B.椎间隙变窄或消失

C.后突畸形

D.寒性脓肿

E.骨质破坏