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！