口一：朋友do not have enough money 做什么或者買東西（記不清）
    口二：a busy schedule or a lighter schedule, which one do u perfer?
    口三：
    Reading:
    letter from a student: 禮堂內(nèi)held gradute ceremony 改成在lawn held.
    R1: big space
    R2: 不記得。。。
    Talking:
    1. 禮堂space is enough
    2. 在禮堂舉行可以watch through TV
    口四：social reponsbility——companies recognize obligation后可能會(huì)有經(jīng)濟(jì)損失
    Example: a coffee shop以前用plastic cups，后來意識(shí)到環(huán)境問題，就用a new type cups,就是用紙杯，并且給consumer who use舊杯子discount.
    口五：club affair 和radio club tomorrow時(shí)間有沖突
    口六：兩個(gè)不同的盒子，一個(gè)open, the other closed, 讓兩組實(shí)驗(yàn)rats 進(jìn)去找食物——mother rats and non-mother rats。 相比之下mother rats 更brave and confidence, bcuz mother rats need to search food for their babies