20-2

Question 1

rakish

Answer 1

放荡的，行为不检的：lowered moral character

Question 2

ramble

Answer 2

漫步，漫游：move aimlessly；漫谈，长篇大论（并经常离题）地说或写：without a topic

Question 3

rambunctious

Answer 3

喧闹的，骚乱的：noisy

Question 4

ramshackle

Answer 4

摇摇欲坠的：ready to collapse

Question 5

rancor

Answer 5

敌意，深仇：ill will

Question 6

random

Answer 6

随机的，随意的：lacking pattern

Question 7

rankle

Answer 7

激怒：cause anger

Question 8

rant

Answer 8

（尤指长时间的）训斥，责骂：angry scolding；怒吼：noisy, angry or violent manner

Question 9

rapacious

Answer 9

食量大的，贪食的：huge appetite；过度贪婪的：covetous

Question 10

rapport

Answer 10

和睦，友好：friendly relationship

Question 11

rapprochement 

Answer 11

和睦，友好：cordial relations

Question 12

rapscallion

Answer 12

流氓，恶棍：evil

Question 13

rapt

Answer 13

狂喜的，狂热的：pleasurable emotion；全神贯注的：deeply absorbed

Question 14

rarefy

Answer 14

使稀薄：make rare

Question 15

rash

Answer 15

草率的，仓促的：lack caution

Question 16

raspy

Answer 16

声音刺耳的：harsh；容易生气的：easily irritated

Question 17

ratify

Answer 17

（官方地）认可，批准：official acceptance

Question 18

ratiocination

Answer 18

推理：thought processes

Question 19

ration

Answer 19

定额供应量，配给量：amount allotted；按比例分配：share or portion

Question 20

rational

Answer 20

合乎逻辑的：logical；理性的：based on reasoning

Question 21

rave

Answer 21

狂热赞扬：exaggerated display of affection；（发疯般的）怒吼：talk as if in delirium

Question 22

ravel

Answer 22

解开，松开：separate strands；阐明：clarity by separating；使纠缠，使复杂化：tangle

Question 23

ravish

Answer 23

使陶醉，使沉迷：overcome with emotion

Question 24

raze

Answer 24

摧毁，粉碎：destroy completely

Question 25

react

Answer 25

做出反应：in response

Question 26

reactionary

Answer 26

反对改革的，极保守的：opposition to progress

Question 27

ream 

Answer 27

怒斥，训斥：criticize

Question 28

reap

Answer 28

收割，收获：receive

Question 29

reassure

Answer 29

使安心，打消疑虑：restore to confidence

Question 30

rebuff

Answer 30

严词拒绝：reject

Question 31

recalcitrant

Answer 31

顽抗的，不顺从的：resistance defiance

Question 32

recant

Answer 32

撤回，放弃，改变：withdraw a statement

Question 33

recessive

Answer 33

（基因等）隐性的，由隐性基因控制的：does not produce a characteristic effect when present with a dominant allele；内向的，内敛的：not comfortable around people

Question 34

recidivate

Answer 34

回到原先的习惯，尤指重新犯罪：return to criminal habits

Question 35

reciprocate

Answer 35

往复运动：forward and backward；报答，回报：return

Question 36

reckless

Answer 36

不考虑后果的，大胆鲁莽的：careless

Question 37

recluse

Answer 37

隐士：lives away；隐居的，不爱社交的：withdrawal from society

Question 38

recoil

Answer 38

退却，畏缩：shrink back

Question 39

reconcile

Answer 39

使和解，协调：harmony

Question 40

recondite

Answer 40

深奥的，难解的：difficult to comprehend

Question 41

reconnoiter

Answer 41

侦察，勘查：make a preliminary inspection

Question 42

reconstitute

Answer 42

重建，（尤其是通过加水）使复原：restore by adding water

Question 43

reconvene

Answer 43

重新集合，重新召集：gather or summon again

Question 44

rectitude

Answer 44

正直：moral integrity

Question 45

recumbent

Answer 45

躺着的：lying down

Question 46

recuperate

Answer 46

恢复（健康或力量），康复：recover health

Question 47

redolent

Answer 47

芳香的：fragrance

Question 48

redoubtable

Answer 48

杰出的，值得尊敬的：worthy of respect；可怕的：arousing fear

Question 49

redundant

Answer 49

多余的，冗余的：exceeding necessary

Question 50

reel

Answer 50

感到眩晕：from being twirled around；蹒跚地走路：swaying from side to side