[00:14]ratio

　　[00:15]The ratio of hydrogen to oxygen in water

　　[00:17]is 2 to 1.

　　[00:21]rational

　　[00:22]Are men more rational than women?

　　[00:26]react

　　[00:27]How did he react to the news?

　　[00:32]rear

　　[00:33]The wounded fighters

　　[00:34]have been sent to the rear for safety.

　　[00:38]rebel

　　[00:39]The peasants rebelled

　　[00:41]but were ultimately put down.

　　[00:45]recall

　　[00:46]The government recalled the general

　　[00:48]after he lost the battle.

　　[00:52]reckon

　　[00:53]Do you still reckon him among your friends ?

　　[00:58]recognize／ise

　　[00:59]Many colorblind people

　　[01:01]can't recognize different shades of red and green.

　　[01:06]recommend

　　[01:07]This hotel has nothing to recommend it

　　[01:09]to tourists except cheapness.

　　[01:14]recover

　　[01:15]Bone marrow transplantation

　　[01:17]is the most effective way

　　[01:18]for leukaemia patients to recover.

　　[01:23]reference

　　[01:24]We are now forwarding you a catalog for your reference.

　　[01:29]refine

　　[01:31]Much of the nutritive material

　　[01:33]was refined out of foods.

　　[01:37]reflect

　　[01:38]The calm lake reflected the trees on the shore.

　　[01:43]reform

　　[01:44]The education system was crying out for reform.

　　[01:49]refresh

　　[01:50]Enough time should be left for sleep

　　[01:53]because that will help one become refreshed.

　　[01:58]reject

　　[01:59]She rejected his offer of marriage.

　　[02:03]reliable

　　[02:04]My memory is not very reliable these days.

　　[02:09]rely

　　[02:10]You should not rely on statements or guesses

　　[02:13]but on evidence.

　　[02:17]remain

　　[02:18]The situation remains unchanged.

　　[02:22]remarkable

　　[02:24]She is remarkable for her beauty.

　　[02:28]remind

　　[02:29]Please remind me to answer that letter.

　　[02:33]representative

　　[02:35]Are your opinions representative of

　　[02:37]all the workers here?

　　[02:41]reputation

　　[02:42]We have spent 40 years building a reputation

　　[02:45]for high quality and high service.

　　[02:50]residence

　　[02:51]His office is in town,

　　[02:53]but his residence is in the suburbs.

　　[02:58]resident

　　[02:59]The city government pledged to give top priority

　　[03:02]to developing the housing project

　　[03:05]for lowincome urban residents.

　　[03:09]resign

　　[03:10]I wonder why she resigned her job.

　　[03:15]resistance

　　[03:16]The environmentalists put up lots of resistance

　　[03:19]to furclothing companies.

　　[03:23]resistant

　　[03:25]I prefer the plants that are resistant to bad climate.

　　[03:31]resolve

　　[03:32]He resolved on an early start.