211. be on duty值班,值日,在上班时
212. be in duty bound to(do)(=be required by ones job or esp. by conscience)有义务(做)
213. be eager for想得到,盼望
214. by ear(=play music from memory without having seen it printed)凭记忆,不看乐谱
215. have an ear for(=have keen recognition of sounds esp. in music and language)对有鉴赏力
216. a word in ones ear私房话,秘密话
217. on earth究竟,到底,全然
218. with ease(= easily)容易,不费力
219. at(ones)ease(= without worry or nervousness)自在,不拘束
220. put sb. at his / her ease(=free sb. from worry or nervousness)使某人感到无拘束
221. economize on(=save sth. instead of being wasteful)节省
222. have an effect on对有影响
223. be in effect(=be in operation)有效
224. go into effect生效(近:come into effect;take effect;be brought into effect)
225. in effect(=in fact,really)实际上
Refugee camps are a breeding ground for disease
South pacific islands now totally powered by the sun
Demand for wheat growing in Sub-Saharan Africa
Unusual Mars rock surprises rover scientist
Nobel Prize in economics recognizes 'market designers'
World AIDS Day 2012 more hopeful than in past
American history: A new world clash of cultures
US presidential debate a 'Game Changer'(视频)
Seattle, 'City of Clocks' keeps on ticking
When it comes to beer, variety rules in USA
FTC takes on computer scareware scammers
West Nile surge keeps exterminator busy
Femen's topless protest tactics hit Paris(视频)
Obama calls human tafficking 'slavery'
Arrests in the shooting of a Pakistani schoolgirl
Many millions suffer from depression
Was Jesus married?
Cheating scandal threatens Harvard's image
Consumer spending will decline unless Congress averts fiscal cliff
Student street clinic helps homeless(视频)
Rare fungal meningitis outbreak in United States
'Haunted Houses' attract big crowds on Halloween
Maryland man is real hero behind 'Argo'
Slow progress on curbing deforestation expected at climate conference
Meat was main dish for early humans
Palestinians cheer UN General Assembly vote
Effort underway to boost US voter participation(视频)
William Shakespeare: Star of stage and screen
New report outlines strategy for HIV/AIDS
Polio victim searches for love in 'The Sessions'
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |