1、Iamwritingtointroducemyfriend/colleague...He/Sheisatalentedindividualwithapassionfor...

2、Thepurposeofthisletteristointroducemyself/myfriendandexpressourinterestin...

3、I'mverygladtohearthat.

4、说明目的：

5、Myfriend/colleaguehasaremarkabletalentfor...andhasachievedgreatsuccessin...

6、Letmeintroducemyself.Mynameis...andIamcurrentlyastudentat...

7、Ihaveastronginterestin...andhavebeenactivelyinvolvedin...

8、开头部分：

9、Iwouldbegratefulforanyadviceorsuggestionsyoucouldofferregarding...

10、请求帮助/建议：

11、Thisisveryinteresting,andIthinkyoushouldthinkaboutit.

12、Thankyoufortakingthetimetoreadthisletter.Ihopetohavetheopportunitytodiscussthisfurther.

13、It'sworththinkingabout.Letmetellyousomething.

14、Iamwritingtointroducemyselfandexpressmyinterestin...

15、Iwouldliketointroducemyfriend/colleague,whosenameis...He/Sheisa...andisinterestedin...

16、结尾部分：

17、Wewouldreciateanyinformationyoucouldprovideregarding...

18、Iwouldgreatlyreciateanyassistanceyoucouldprovidein...

19、Ifyouhaveanyfurtherquestionsorrequireadditionalinformation,pleasedonothesitatetocontactme/us.

20、表达兴趣/优势：

21、Hello,nicetohearfromyou.

22、介绍自己/他人：

23、Iamwritingonbehalfof...tointroducehim/herandexpresshis/herinterestin...

24、在高考英语写作中，介绍信是一个常见的题材。以下是一些常用的句型和表达，可以在写介绍信时参考使用：

25、Iamwritingtointroducemyfriend/colleague,whoisinterestedin...

26、Thankyouforconsideringmyrequest.Ilookforwardtohearingfromyousoon.

27、IreciateyourattentiontothismatterandIamconfidentthat...willbeavaluableassetto...

28、Iamwritingtoinquireaboutthepossibilityof...

29、Ibelievethatmyskillsin...andmydedicationto...makemeasuitablecandidatefor...

30、以上是一些常用的句型和表达，你可以根据具体的写作需求进行适当调整和组合。同时，注意语法和拼写的准确性，以及文体的得体性。祝你在高考英语写作中取得好成绩！