| A | B |
| appropriate | suitable |
| apologize | say you are sorry |
| rude | impolite |
| punctual | on time |
| cholesterol | a white substance the body makes |
| quantities | amounts |
| lifestyle | way of living |
| approximately | on the average |
| employer | a person who gives people work |
| nutritional | diet that is good for you |
| skip | miss one step in a series |
| rush | hurry |
| favorite | the most liked |
| variety | choice |
| harmful | dangerous |
| journal | a diary |
| therapy | a course of treatment |
| psychologist | a person who knows about how the mind works |
| gradually | little by little |
| cheerful | happy |
| recall | remember |
| however | but |
| motions | movements |
| capacity | ability |
| innate | inborn |
| for instance | for example |
| linguist | a person who studies language |
| observation | something you see or hear |
| persistent | continuing to do something |
| phenomenon | event in nature |
| unlike | different from |
| while | during |
| popular | well-liked |
| equality | the same |
| chronic | lasting for a long time |
| temporary | lasting for a short time |
| severe | very strong |
| predict | tell in advance |
| shy | afraid of being noticed |
| complex | complicated |