1.On the annual International Volunteers Day, the world acknowledges the work of millions of people who give their time to help others.(P129Para1).acknowledge: vt 为…表示感谢 , 承认 ( admit ; express thanks for) (1) acknowledge +n. Do you acknowledge defeat? (2) acknowledge +doing ( 不接不定式 )The opponents acknowledged having been defeated. (3) acknowledge +n. +as /to be… 认为…是…I acknowledge your statement to be true.He is acknowledged to be one of the greatest writers.(4) acknowledge +that…The opponents acknowledged that they were defeated.2. …of Chinese youth who want to make a contribution to society, and the work they are doing is important.(P129 Para1)make a contribution/ contributions to / towards + n /doingIt is our duty to make a contribution to protecting the environment.以下 to 都是介词be used to be equal to devote oneself to get down to lead tolook forward to pay attention to stick to see to介词3.When Lin Ying graduated from Zhengzhou Normal University, she decided not to apply for a job straight away. (P130 Para1) straight away /off : without hesitation /delay =immediately/right away 也可写成 straightaway (adv.)I can’t tell you straight away.I can’t tell you straightaway.4.Coming to another country to study requires a big adjustment and it takes a while to fit in.(P130 Para2) fit in: be in harmony with sb./sth ( 使 ) 互相适合 , 处得融洽 ; 定时间去看某人或做某事 )She doesn’t fit in with the rest of the class.Doctor white can fit you in on Thursday afternoon.医生可以在星期试四下午去给你看病5.Many schools in the USA didn’t approve of students swearing jeans to schools…(P134 Para3)1)approve +(of) +n./v-ing 称赞 , 赞成I approve of your decision.2) 批准 , 认可The minister approved the...