问题 选择题

关于“昆明湖”--滇池,有以下说法,其中代表一个生态系统的是(  )

A.滇池里的所有水葫芦

B.滇池的水

C.整个滇池

D.滇池里的所有生物

答案

A、滇池里的所有水葫芦,只有植物,没有动物和微生物,也没有非生物环境,不能构成生态系统.故不符合题意.

B、滇池的水只有水,环境条件不完整,也没有生物,因此不是生物与环境构成的一个整体,因此不是生态系统.故不符合题意.

C、整个滇池既包括了滇池这个环境,又包括了滇池里的所有生物,符合生态系统的概念,因此是生态系统.故符合题意.

D、滇池里的所有生物:只有生物,没有环境,把生物与环境分割开了,因此不是一个生态系统.故不符合题意.

故选:C

单项选择题 A1/A2型题
完形填空

任务型阅读

The people below are all trying to choose which TV programme to watch.  After the description of these people, there is information about five TV programmes A-E. Decide which programme would be most suitable for the person mentioned in questions 1-4 and then mark the correct letter (A-E) on your answer sheet. There is one extra paragraph about one programme which you do not need to use.

_________1Bella 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!

________2Dan is interested in taking wildlife photographs and enjoys the kind of programme which gives him a chance to see a professional photographer at work.

_________3Gina is a music teacher. Although she prefers classical music, she likes to follow the kind of music that interests the teenagers she teaches.

_________4Ron’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.

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.TV15:15p.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.

D.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.E . 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.