IV-3 A

1； reshuffle；restore；restrain；restrict

2；disperse；dispel；dispose；dispense

3：exquisite；etiquette；essence；excursion

4：deduce；reduce；induce；seduce，produce，introduce

5；juvenile；adolescent；misdemeanour；teenage

6；invalid；inefficient；unprofitable；ineffective

7；disable；handicap；deform；mutilate；cripple；maim

8；invalid；deformed；handicapped；disabled；crippled

9；terrain；territory；tertiary；terror

10；revive；survive；derive；deprive

11；alumnus；stimulus；fungus；syllabus；cactus；bacillus；locus；focus；nucleus

12；disrupt；interrupt；corrupt；abrupt；bankrupt

13；region；area；zone；district；borough

14；elapse；eclipse；elastic；escape

15；patriot；patron；patent；patient；parrot

16；fuse；infuse；defuse；refuse；confuse

17；frugal；thrift；economical；stingy；provident；saving；niggard；miserly，prudent

18；unprecedentedly；unexpectedly；unsurprisingly；undoubtedly

19；fixture；mixture；texture；torture；moisture

20；atmosphere；hemisphere；sphere；troposphere；stratosphere

21；courier；court；course；corpse；courtier

22；pick up；pick om；pick out； pick off

23；boil down to；come down to；simmer down to；come up to

IV-3B

1；velocity；speed；rate；ratio

2；brew；wine；beer；champagne；whisky；brandy；cocktail；beverage；

3；borough；bough；through；thorough；plough；cough；tough；hiccough；though；rough

4；drown；crown；grown；brown

5；ankle；angle；angel；anger；uncle

6；hound；bound；found；sound；round

7；tease；ease；cease；release；lease

8；predecessor；forefather；ancestor；forerunner

9；bud；dub；pub；hub；phub；dud；dude；shrub；club

10；verdict；predict；convict；addict；contradict；evict

11；magnitude；altitude；latitude；attitude；aptitude；gratitude；platitude；longitude；multitude；exactitude；vicissitude

12；multilateral；bilateral；unilateral；lateral

13；brass；grass；glass；gross；engross；class；ass；pass；mass

14；reign；rain；rein；sovereign

15；scrub；scrap；scrape；scribe

16; decree; discrete；discreet；degree

17；quota；share；portion；allotment；provision

18；optical；optional；optimum；optimistic

19；vocal；local；volcano；verbal

20；sturdy；study；tardy；stout；stark；tough；sprout

21；stipulate；stimulate；manipulate；simulate

22；utilization；urbanization；facilitation；

23；utility；facility；infrastructure；equipment，apparatus；appliance

24；turnover；makeover；handover；takeover；leftover；pullover；moreover

25；numerical；numerous；digital；enormous