________ in a difficult condition makes it possible for him to adapt to(适应)different kinds of weather．

1. A.
   Being used to working
2. B.
   Used to work
3. C.
   Being used to work
4. D.
   Used to working

假设你是李华，明年即将进入大学学习，但是不知怎样适应大学的生活。请你就以下大学新生常遇到的情况给北京大学校长写一封信，寻求建议。
（1）在生活中不会照料自己；（2）感到孤独、经常想家；（3）钱物容易丢失；（4）食物、气候不适应；（5）校外租房现象。
注意：1.短信的开头和结尾已为你写好，不计入总词数； 2.词数100左右。3. 参考词汇：大学新生：freshman
Dear President,
Next year I will go to study at university, but I don’t know how to adapt myself touniversitylife. _________________________________________________________________
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Yours, Li Hua