中英释义：
原声例句
好，第一题是关于光学的问题，有史以来最短的光脉冲是多少？库珀博士。
Okay, the first question is on the topic of optics. What is the shortest light pulse ever produced? Dr. cooper.
《生活大爆炸 第一季》《The Big Bang Theory Season 1》
双语例句
如果你答不出，那就放过第一题，做第二题。
If you don't know the answer, leave the first question and get onto the second.
任何考生都会先被测试“中等难度”，若考生在第一题组表现良好者，就会在第二题组被测试“困难”程度的考型。
Every candidate receives a medium difficult testlet first. Candidates who do well on the first testlet receive a difficult second testlet .
课堂听写：蓝色单周练习册第十三页的第一题。
Dictation: Blue Exercise Book, question 1 on page 13.
重点词汇
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第一
first; firstly; foremost; primarily; primary; initial; opening; premier; first and foremost; first of all; first up; for a start; in the first place; most importantly; in the first instance; top; number one