通读下列短文，掌握其大意，然后在各题所给的四个选项中选出一个最佳答案。

People on Hainan Island like scuba diving.But do you know what makes it possible for people __26___ under water for a long time?It’s the scuba machine.Then do you know _27___ invented the machine?It was Jacques Cousteau and _28____ friend.

Cousteau was a man _29___ of new ideas.Ever __30___ he was a child,he had been dreaming of diving deep to explore the wonderful world _31____ the sea.later with the scuba machine he invented,his __32__ came true.He took a lot of pictures and videos of many things__33___ people hand never before.It __34__ him eight years to make a TV show which he named “The Undersea World of Jacques Cousteau.” People were ___35__ when they saw so many beautiful things under water.

Cousteau loved the coral reefs and all the beautiful fish.However,when he returned some years later,he was __36__ to see that the colourful coral reefs __37__ and grey.he tried everything possible to help people know the _38___ of saving the environment and __39__ them to　 take part in keeping our lakes,rivers,seas and oceans__40___.

26.A.to drink　 B.to dance　 C.to breathe　 D.to sing

27.A.which　 B.who　 C.that　 D.what

28.A.she　 B.her　 C.he　 D.his

29.A.full　 B.short　 C.strange　 D.filled

30.A.through　 B.until　 C.from　 D.since

31.A.on　 B.over　 C.under　 D.above

32.A.idea　 B.thoughts　 C.plan　 D.dream

33.A.what　 B.that　 C.so　 D.who

34.A.took　 B.cost　 C.spent　 D.paid

356.A.frightened　 B.frightening　 C.surprising　 D,surprised

36.A.happy　 B.interested　 C.sad D.afaid

37.A.were alive　 B.grew well　 C.got better　 D.were dead

38.A.knowledge　 B.danger　 C.importance　 D.time　

39.A.make　 B.encourage　 C.stop　 D.let

40.A.rough　 B.quiet　 C.well　 D.clean

25.Boys and girls,please remember the following saying:Never put off till tomorrow_____.

　 A.that you can do today　　 B.which you can do today

　 C.but you can do today　　 D.what you can do today

24.---Can we go and have a drink now?

　 ---A drink?There are twenty more trees _______!

　 A.to plant　 B.to be planting　 C.to p[lant them　 D.to be planted

23.---Let’s go to the Museum of natural History,shall we?

　 ---___________.

　 A.All right　 B.Yes,we shall　 C.That’s right　 D.You’re welcome

22.---I’ve forgotten to bring my drink.

　 ---Never mind,you can have ______.

　 A.some of yours　 B.some of us　 C.some of ours　 D.us some

21.---We can use MSN to talk with each other on the Internet.

　 ---Really? Will you please show me _____ it?

　 A.how can I use　 B.what to use　 C.how to use　 D.where can I use

20.---Don’t you think the radio is too loud?

　 ---Yes,I’ll tell ______.

　 A.turn it down　 B.turn it on　 C.turn it over　 D.turn it up