練習(xí)一 

　　present;since;doctor;pollution;open;D;A;B;A;C;B;B;AD;B;was taught;married;swim;came;have been;have lived;was. 

　　練習(xí)二 

　　changes;seen;in fact; marry; southern; had fun; won't until; have been married; has kept; different from 

　　A A D B D A B B 

　　練習(xí)三 

　　possible;service;althgough;attraction;present;have;since;How many;When buy;Have carried;been;hasn't;sad;去掉but;yet;next to;has been opened;any longer;how to get;It's to read;It is came;but came;have known;are fond of 

　　練習(xí)四 

　　CBACCB；not arrived;yet;How long;heard;Has ever been;Has changed;yet; 

　　I have lived here since I was born. 

　　It's pleasant to play Chinese chess with my classmates. 

　　Although Tom was ill,he went to school. 

　　Where is Marry? She has gone to the cinema; 

　　Have you been to Beijing?Yes I have. 

　　I used to play computer games,now I don't do it. 

　　練習(xí)五 

　　a theme park;fast food;wave to us; get married;during the summer holiday;move at high speed;feel excited; the whole day; go sight-seeing;wait for an hour; stop taking photos; have gone to Shanghai; have been to Shanghai; on the second day; 

　　careful;carefully;helpful;helpfully;hopeful;hopefully;wonderful;wonderfully;noisy;noisily;healthy;healthily;lucky;luckily;shiny;shinily;impolite;impossible;unkind;unpleasant;cheerless;harmful;different;present;cross;lovely;present;pleasant;of course;go back;performance;sailing;development;closing;education;feeling;discussing;meaning 

　　練習(xí)六 

　　have seen;saw;were doing;was helping ;do; was watching; knocking; were knocking; were making; didn't stop; to read; were dancing; not to take; were clapping; was marching; 

　　The souvenirs are so expensive that I can't buy it. 

　　He is rich enough to travel around the world 

　　What were you doing when he arrived? 

　　Daniel was swimming in the lake at noon yesterday; 

　　useless;delightful;as;frightened;Italy;happily;meaning;exciting;screamed 

　　練習(xí)七 

　　outside;morning;called;office;suprised;tickets;because;cinema;themselves;taken;CBCADBACBD 

　　練習(xí)八 

　　has been away from Shanghai for two days. 

　　can't stop taking photos with them because they look very cute. 

　　have been in HongKong for a week 

　　have gone to Hongkong twice 

　　has gone to Hongkong 

　　been away for two days 

　　is quite different from that in Beijing 

　　never forget the meaningful experience 

　　did you come back from HongKong 

　　arrived here the day before yesterday, I have been back for two days. 

　　練習(xí)九 

　　information;change;enjoy;screen;soon;short;repair;is designed by;e-dog for; wasn't evening;has been for; important;used ;to go;sold;more;libraries;made;will replace;pleasure;to buy 

　　練習(xí)十 

　　ABBBDCDA 

　　funny;printer;designed;looking;written;correctly;educational;knowledge;passed; 

　　at the same time; come out;send e-mails;get a point;order a set on the Internet;coulds with different colours;play a role;have a dream;many places of interest;be sold out;search for information;a remote control; word-processing;a ten-year-old boy; play a role of; fall asleep; be used widely; double-click on the icon; 

　　What do you usually use the computer do 

　　The computer is designed for students 

　　Can I help you? I'd like to buy a personal computer 

　　She will help you when necessary 

　　練習(xí)十一 

　　was left;is double-clicked;is produced;is put;to keep; BBBCA 

　　練習(xí)十二 

　　levels;character;uses;village;jump;goal;ask;knowledge;needs;designed;written;starting;has worked;is caught;are marked;typing;was broken;was lost;is made;is used;be clicked 

　　下題 略 

　　練習(xí)十三 

　　searched for;wasn't found;so that can't take; was made to move; has taught for ;some photos was for; 

　　The words he said sounded exciting; 

　　This kind of newspaper comes out once a day. 

　　I played a role of a English teacher in my dream. 

　　The new educational CD-ROMs are sold out. 

　　The CD-ROM can be used to test your English vocabulary. 

　　reading;who;richest;about;how;have;on;take;interested;lesson;treasure;covered;set;vocabularies;producer. 

　　練習(xí)十四 

　　most exciting;months;donating;organization;duties;introducing;decision;was held;to organize;to come;called; 

　　Why don't you join; chose he to be the host of the charity show;   to work for the Project Hope; There is no time to wait ; at the right time; must practise more; seemed to happen so quickly; advertise on the Internet; make lots of noise; Spring Bud project 

　　練習(xí)十五 

　　because of the heavy rain;didn't start working; What was;How did Ricky feel in the charity show; It is fun to 

　　注 A:because B because of 

　　ABABABAB 

　　BFAGD 

　　練習(xí)十六 

　　B 去掉a; C to; C success; C because of; A hope to 

　　BBCBACAABC 

　　練習(xí)十七 

　　voluntary; international;rest; advertisement; education; kindness; operations; people; donations; collection 

　　entrance;audience; seats;curtain;light; stage; microphone; performer; clapped; exit 

　　cases of blindness; train the local doctors and nurses; a flying eye hospital; keep on working; be grateful to sb; perform operations; affect sixty per cent of students; have some pocket money left; be proud to dosth.; trat and cure eye problems; be able to buy the medicine; get education; raise money for charities; donate money to 

　　練習(xí)十八 

　　international charities; help poor people; take action to do sth.; mind others; be in hosipital; voluntary doctors; pocket money; organize events to raise money; set up UNICEF; spend money on 

　　advertisement; operation; development; education; kindness; sickness; flying; teaching; organization; tratment; 

　　BBADCCCBCCBCBADA 

　　練習(xí)十九 

　　BCADE; 

　　charity; eye; cured; prevented; operated; operations; see; local; skills; knowledge; support 

　　It was started on 11 September,1961 

　　It works to save the earth and its environment 

　　Volunteers and donations. 

　　To stop air pollution,protect the earth forests and save all plants and animals. 

　　In China,it works to save the panda from dying out. In South America, it works to save the Amazon Rainforest 

　　ABCCA 

　　練習(xí)二十

　　連線不太好發(fā)，省去吧

　　performing an operation; pocket money; operated on; medical tratment; used to; were grateful to; Is used to; a flying eye hospital; had a big lunch; cases of blindness; 

　　too weak to; used to get; isn't used to; Did use to watch; used to be; is used; isn't cheap enough

　　BCDAC BCABA CCBCA

　　練習(xí)二十一

　　agreement; gladness; collection; illness; prevention; advertisement; development; decision; kindness; gentleness; sadness; sickness; education; organizagtion; improvement; usefulness; movement; happiness; 

　　has cured illness; poor areas for medical tratment; is performing operation on ; proud have helped; you keep doing; grateful to because of donations; used to drink; Used to; have lived am used to; used to live; are used to living; 

　　operating; attacks; patient; improving; blind;care; indeed; education; international; medical;

　　B be; C going; C blindness B not; A are; B drink 

　　練習(xí)二十二

　　CBEADF

　　careless; the longest; itself; elderly; tree planting; unable; further; busier;

　　BBCBCCCBBD

　　練習(xí)二十三

　　join; tough; trail; aim; experience; happen; develop fund-raising

　　spirit; improve; excellent; violin; Februally; experience; especially; record;

　　singing; writing; is held ; join; to raise; has been built; to slove; was singing; called; playing; 

　　去掉it; 去掉been; across----cross; finished---been over; because of; helping; drinks; drinking; bringing; but去掉

　　練習(xí)二十四

　　don't; will; It difficult to; more any other; How can help; will be recorded; with; For;without; on ; in; of; By; to

　　It's wrong to look down on poor people.

　　It is a good season for us to enjoy the beautiful view.

　　It's necessary to be careful when you cross the road.

　　Don't miss the chance you should help each other;

　　It's important for children to have support from parents.