Period 3 语言知识讲练(Understanding ideas) 1．assist v．协助，帮助 (1)assist sb．to do sth．＝assist sb．in doing sth． 帮助某人做某事 assist sb．in/with sth． 帮助某人某事 (2)assistance n． 帮助，援助；支持 come to one's assistance 援助某人 with the assistance/help of 在……的帮助下 (3)assistant n． 助手；助理 [即学即练]———单句语法填空/完成语段 ①The young nurse was very nervous when she assisted the doctor_____(perform) the operation for the first time． ②(应用文之推荐信)I recommend Li Hua to be your teaching_____(assist)，who will assist you_____many routine office tasks． ③(应用文之求助信)I hope you can assist us_____learning more about western culture，which can increase our understanding and help build good relationships between us． ④正当这对双胞胎担心做不出一顿美味的早餐的时候，爸爸来帮他们了。在爸爸的帮助下，这对双胞胎成功了，他们的脸上洋溢着快乐的笑容。 When the twins were worried that they couldn't succeed in making a delicious breakfast，their father_____．_____，the twins made it，their faces brimming with happy smiles． 2．vital adj．极其重要的 (be vital to/for．．． 对……极其重要 It is vital to do sth． 做某事很重要。 It is vital that．．．(should)＋动词原形 ……极为重要。 of vital importance 至关重要 [即学即练]———单句语法填空/一句多译 ①(话题写作之语言学习)To learn Chinese well，reading interesting Chinese news every day is vital_____American exchange students． ②The professor is firmly convinced that it is vital_____(master) at least two foreign languages． ③It is_____vital importance that we do something to protect oceans． ④50%的学生强调课外学英语时看英文电影对他们来说很重要。 a．50% of the students emphasize that_____when learning English beyond the classroom．(it is vital to do．．．) b．50% of the students emphasize that_____when learning English beyond the classroom．(it is vital that．．．) 3．take any chances心存侥幸，冒险 (1)take a chance/chances to do sth． 冒险做某事 take one's chances 碰运气 (2)have a chance to do sth． 有机会做某事 (3)There is a chance that．．． 可能…… Chances/The chances are that．．． 可能…… (4)by chance＝by accident 偶然 [即学即练]———单句语法填空/完成句子 ①Chances are_____if you're looking to live a more sustainable lifestyle，not everyone around you will be ready to jump on that bandwagon． ②At that time，education was only intended for white settlers and few black people had the chance_____(go) to school． ③Penicillin was discovered_____chance，which went well beyond the researchers' expectations． ④安装电器时，不要心存侥幸。 When installing electrical equipment don't_____． 4．put．．．at risk把……置于危险之中 risk v． 冒……的风险；冒险做 n． 危险，风险 risk one's life to do sth． 冒着生命危险做某事 risk doing sth． 冒险做某事 run/take the risk of．．． 冒……的风险 take risks/a risk (to do．．．) 冒险(去做……) at the risk of doing sth． 冒着做某事的风险 [即学即练]———单句语法填空/完成句子 ①Health workers are_____the risk of getting infectious diseases． ②He go ... ...
