二

1.more than 102,000 people.

2.woman and youth in rural southern communities.

3.the spread of aids and government inactivity in stopping it.

4.to reduce the number of aids cases.

5.most of the people have a low literacy in some communities.

6.they make it simple an explain the risk of catching  aids to their peers much better than adults.

7.first,speak to your community in away they can hear second, train teenagers to educate their peers.last,resefine "at risk" to include women from different backgrounds  and marriage status.

8.everyone should take part in the war against aids.

三

1.not infected by =immune to

2.discover the nature of =diagnose

3.carrying out =implementing

4.fight against=combat

5.explain the meaning of=define

6.built=established

7.shown=represented

8.whatever may happen=regardless

四

1.regardless to--regardless of

2.in risk --at risk

3.passed on--passed out

4.distracts of --distracts from

5.sign in --sign up

6.infected on --infected with

7.a solution of--a solution to

8.provide with --provide for

五

1.the way he teacheres english

2.whom i was expecting to stay with me

3.which was lost  in the department store yesterday

4.where i spent my childhood with mary

5.which the whole family considered a great honor

六

1.despite his illness

2.dispite a lot of difficulties

3.dispite his old age

4.despite the bad weather

5.despite his hard work

 七

1 .we will do out best to help the girl infected with aids virus to live longer ,regardless of the cost.

2.plesse turn off the tv ,because the noise will distructe her from her homework.

3.it was a long time before the company implemented the program to improve the quality of its goods because of lack of money and necessary equipment.

4.when giving a lecture,bob ofen prepared some picture to illustrate the content of the text.

5.an able and successful businessman is good at making use of all the resources to make money.

八.略

九

1.was 2.thousands.3.most 4.infected 5.because of 6.emerged 7.reduce8.number

9.out 10.expecting 11.very 12.to13.than14.best15.combat16.redefine17.different18.in other words19.sign up for 20war