Unit 2You should always go with someone
1 . Thanks to improvements in both health care and personal safety,most people are living healthier, longer lives
由于医疗保健及人身安全的改善,大多数人活得更健康、更长寿
thanks to 为介词短语,意为“多亏,由于”
如:Thanks to your advice, much trouble was avoided
多亏了你的建议,避免了很多麻烦
thanks for 表示“因……而感谢”,后接名词、代词或动词的-ing 形式,相当于 thank you for
如:Thanks for writing back to me
谢谢你给我回信
① 多亏了老师的帮助,他在数学上取得了巨大进步
________ ________ the teacher's help, he's made great progress inmaths
② 谢谢你的邀请,我玩得很开心
________ ________ your invitation, and I had a great time
2 . In the past, people's jobs required more physical effort
在过去,人们的工作需要更多的体力劳动
require 意为“需要”,后接名词、动词不定式或动词 -ing 形式
require 后接动词不定式时,应用其被动形式,即 sb
require(s) to bedone ;后接动词 -ing 形式时,应用其主动形式表示被动意义,即sb
require(s) doing
如:ThankstoforThanksThe b