1.Ascientific(科学的) researchshowsthat90%oflungcanceriscausedbysmoking.
2.Shetoldmethatsherefusedtoattend(参加) themeetingandthatshewouldtelltheworldwhy.
3.AtpresentagreatdealofresearchisbeingcarriedouttofindacureforAIDS.
4.Ifyouexposethemeattothewindforalongtime,itwillbecomedry.
5.Thankyouforallowingmetoclarify(阐明) thepresentposition.
6.Wemusttryourbesttoaccomplish(完成) ourtaskperfectly.
7.Unfortunately,thetwocountrieswereinconflictandthewarbrokeout.
8.Whatattracted(吸引) memostwastheGreatWallinChina.
9.Chinaisamultinationalcountrywithalonghistoryandsplendid(辉煌的) culture.
10.Itwasofcourseadelight(高兴;快乐) forthemtomeetagainaftersuchalongseparation.