The skin is an essential part of your body and is ____ you feel cold, heat or pain.

______myself to my study,1 would be sitting in a comfortable office now

Daddy, can you buy me a new MP3 when you go to Beijing —You ______ get one if you are admitted to a key middle school.

There are a lot of computers in the lab,and they need professional __________ to make sure they can be in a good state.

下列句子翻译不正确的一项是（ ）