Unit 3 Back to the past
知识清单
1.The commonly held view is that(that引导表语从句,“人们普遍认为”) people arrived in North America from Asia via a land bridge once connecting the two continents.
2.Matthew Bennett,a specialist(n.专家) in ancient footprints and author of a study on the new findings published(published为过去分词作后置定语) in Science.
3....they were likely(adv.可能) made in soft ground at the edge of a wetland...(likely还可作形容词,构成固定搭配:be likely to do sth,意为“可能做某事”;it is likely that...,意为“可能……”)
4.Wind probably blew dust over the surface,accumulating(accumulate v.积累) in the prints,thus,leaving footprints that previously recorded.
5.Yet our sense of smell is in decline(下降) as a result of an unnoticed threat(一个未察觉到的威胁) to our health:air pollution.
6.Yet the loss of a sense of smell is a condition that is often overlooked(v.忽视) though it can bring about(导致) numerous health problems.
7.A sense of smell is linked to(与……有联系) memory as well and life is a lot less fun without it.
8.Virtually(adv.事实上,实际上),there is nothing that man cannot do.
9....though it may apparently(adv.显然) be the conception(n.设想) about something that it cannot be done.
10.It is only for his undefeated perseverance(打不败的坚持不懈) that(强调句) we have been able to have many inventions and discoveries.
11.He went through thick and thin(历经千辛万苦) to reach his destination after months of the strenuous(adj.艰苦的) voyage on the sea.
12.This outcome(n.成果) of his perseverance will be generated by(generate v.此处为熟词生义,被……铭记) the world forever.
13.All the great men in history have written their names in golden letters by means of(凭借) perseverance.
14.It is a unique precondition(唯一先决条件) to success in life.
15.The tradition started on a whim(n.突然产生的念头,心血来潮) in 2010 with Daniel Riddick,a doctor in Hurley Children’s Hospital in Providence,Rhode Island.
16.During his stay,Daniel had bonded with(与某人有亲密关系) the kid so deeply that(so...that结果状语从句) he decided that on the boy’s last night there,he would do something special for the final parting(n.离别,分别).
17.Daniel made it a practice(熟词生义:n.习惯做法) to flicker his bike lights to kids as he left for the night as a fun way to say goodbye.
18.The nightly tradition became such a hit(熟词生义:n.很受欢迎的人或事物) that customers started joining in with flashlights and cellphones too.