综合类考试：常考词汇
improve on (=produce or be sth. better than.。。)另做一物比原物更好
improve in (=get better)有改进，好些
improvement in表示原物有改进，好转
include.。。in把……列在……里面
inclusive of把……包括在内
independent of独立的，不受约束的
indicative of表明，说明
be indifferent to (=not interested in)对……漠不关心，冷淡，不在乎
(be) inferior to (=less good in quality or value)比……差；superior to比……好
inform sb. of sth.通知，告诉
be innocent of无罪的，无辜的
insist on (=order sth. to happen)坚持要
instead of (in place of)代替，而不是……
instruct.。。in (=teach)教，指导，训练某人……
insure.。。 for把……保险（多少钱）；ensure使安全；assure.。。(of)使……确信，保证
insure.。。against保险……以防
intend.。。for打算把……给
(be) intent on专心致志，坚决
in the interests of符合……的利益
be interested in对……感兴趣
interfere in干涉，interfere with打搅，干扰
at intervals每隔一会儿，每隔一段距离
intervene in干预
invest in投资
be involved in (=become connected or concerned)卷入，参加
by itself (=alone， without help)单独地，靠自己
in itself本身；of itself自发，自然
be jealous of妒忌
jump at (=to be eager to accept)抢着接受，
jump on (=scold， tell of)叱责
junior to sb.年纪较……轻，职位较……低
(be) keen on喜爱，渴望
keep a close watch on (=keep a sharp lookout for)密切注视
keep.。。to oneself (=keep secret)不告诉别人
to (the best of) ones knowledge据……所知
at large (=at liberty， free)在逃，逍遥法外
at large (= in general) 一般来说，大体上
at large (= at full length; with details) 详细地
lean against（背）靠着……
at least 至少；at most 至多
(not) in the least 一点（也不），丝毫（也不）
at ones leisure 在……有空的时候
lend itself/themselves to 适合于（某用途）
at length (=after a long time，at last) 终于
at length (=in detail，thoroughly) 详细地
go to any length 想一切办法，尽一切力量
be liable to (=be subject to) 易于……的，应受（罚）
be liable for 对……应负责任的
lie in 在于
in life 一生中
for life 终身
in the light of (=considering;taking into account) 考虑到，根据
throw light on (=make clear，explain) 使……更为清楚，提供线索，阐明
in line with (=in agreement with) 符合，一致 389．improve sth. (make sth. better)把原物改进
improve on (=produce or be sth. better than.。。)另做一物比原物更好