急性肺脓肿患者最常见的临床表现是（） A.大咯血 B.急性发病畏寒高热 C.剧烈胸痛

首先，请阅读下列电视节目预告的介绍：

TODAYS  TELEVISION  PROGRAMME  PREVIEW

A.TV1 7:20 p.m. Find out more about Australia’s animal life. This film was made last year by one of Australia’s best-known cameramen, Dougie Bond. He spent over 200 hours filming the birds, animals and fish that inhabit this beautiful continent and for the first time brings some of these unusual animals to our TV screens.

B.TV3 9:00p.m. The popular science programme is back with the latest in technology and medicine. This week, cars that run on sunlight and the story of one baby’s fight to live.

C.TV2 8:10p.m. Do you think what goes into the food most of us eat every day of the week? Tonight’s programme takes a serious scientific look at the bread industry. Whether you bake your own bread or just enjoy buying it, this programme will give you an interesting insight into something most of us eat every day of the week.

D.TV1  5:15p.m. Busy parents? Bored children? Do you want something educational to entertain your children while you do something else? This popular magazine programme is for the under-fives. More music, fun, songs and games with Carla and Larry.

E.TV3  8:45p.m. If you’ve always wanted to cook, now’s your chance to learn. In the studio are two chefs who will take you through some simple recipes step by step. This is a repeat of the popular series shown last year, and available from good bookshops.

F.TV3   7:40p.m. The latest new music. Pete Hogg looks at the best of the current rap, raga and new jack swing plus new video releases. This is the programme that tells you all about what’s happening on the music scene and brings you interviews with tomorrow’s young artists.

以下是五个人对节目需求的描述。请匹配各人的需求与拟选择的电视节目。

小题1:Although Rob lead a quiet life in a small village, that doesn’t stop him from wanting to find out about the latest scientific development.

小题2:Bella enjoys eating out but can’t afford to spend very much at the moment as she is saving for a holiday. She has never learnt how to cook, so now might be quite a good time to find out！

小题3:Dan likes taking wildlife photographs and enjoys the kind of programme which gives him a chance to see a professional photographer at work.

小题4:Gina is a music teacher. Although she prefers  classical music, she likes to follow the kind of music that interests the teenagers she teaches.

小题5:Ron’s wife is in hospital. He wants to finds a programme suitable for his three-year-old son while he gets on with the housework and prepares a meal.

架空线连接前后应做哪些检查？

引酸气步骤和方法。

爆破采煤爆破应达到的要求不包括（）。

A、五高

B、两高

C、两少

D、五不

ITSEC中的F1-F5对应TCSEC中哪几个级别？（）

A.D到B2

B.C2到B3

C.C1到B3

D.C2到A1