1.reasoning n．推理，论证(argument)；a．推理的(the use of reason)
词根记忆：来自reason(n．理由：理性：v.说服；推论)
例：This confirms the alternative view that intuition is actually more effective than careful, methodical reasoning.
派生词：reasoningly( ad.理性地：推论地)

同根词：reasonable(a．合理的：公道的)

2.rebut v.反驳(to refute)
词根记忆：re(反)+but(=butt顶撞)--反顶撞--反驳
例：The scientist rebutted the cigarette company's claims.

派生词：rebuttal(n．反驳，反证)

3.recall v.回忆(to remember)；n．收回(a public call by a manufacturer for the return of a product that may be defective)
词根记忆：re（重新）+call(叫，召集)--重新叫一遍，收集一遍--回收

例：Randomly generated passwords are difficult for employees to recall.//Although one link in the chain was weak, it's not sufficiently so to require the recall of the automobile.

4.收入(sth. received)
词根记忆：re+ceipt(看作cept拿，取)--拿到的，取到的--收入

例：gross receipts总收入

5.reception n.（无线电、电视等的）接收效果(the receiving of a radio or television broadcast)

例：For locations with poor television reception, cable televisions are recommended.

6.receptive a．(to)（愿意）接受的( inclined to receive)
词根记忆：re+cept(拿，取)+ive--愿意拿的--接受的
例：Jane was receptive to changes in her work schedule.

派生词：receptivity(n．接受能力)

7.receptor n.感（接）受器(receiver)；受体(sense organ)
词根记忆：re+cept(拿，取)+or--被拿的--受体，主要用于生物学领域

例：The milk of many mammals contains substances that are known to stimulate certain receptors in the brain.

8.recession n.衰退，萧条（时期）（a period of reduced economic activity）
词根记忆：re(反)+cess(走)+ion--反着走--衰退

例：It's impossible to decrease inflation without causing a recession and its concomitant increase in unemployment.

9.recipe n．食谱(a set of instructions for making something from various ingredients)
联想记忆：re+cipe(抓)--从饭里抓出的精华--食谱
例：There are a lot of delicious recipes in this cookbook.