Think positive, use affirmations, tell yourself you will give it your best shot.
积极思考，肯定自我，告诉自己会全力以赴。

Adequate exercise, healthy eating and regular sleep are also keys to staying in top shape for exams.
充足的锻炼、健康的饮食、以及规律的作息对保持最佳考试状态也至关重要。

She used to get into a state as exams approached.
她以前在考试到来之前总是非常紧张。

It's not a good idea to take the exam on an empty stomach. So don't skip your breakfast.
空腹考试可不是个好主意，所以别不吃早餐。

He is grinding away for an exam.
他正在拼命用功准备考试。

I used to stress out over tests like you wouldn't believe: sweaty palms, sick stomach, headaches.
你都想不到我以前考试前有多紧张：手心出汗、没有胃口、还头疼。

Stress actually is contagious. So stay away from your super-tense friends.
压力其实是会传染的，所以离你那些极度紧张的朋友远些。

I hope you will reach your full potential in the exam.
希望你能在考试中充分发挥潜力。

Put your best foot forward and you will succeed.
只要全力以赴你会成功。