BookUnitScienceandRenovation.pptVIP

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Detailed reading maintain : Detailed reading e.g. 1. maintain friendly relations, contacts, etc (with sb) Britain wants to maintain its position as a world power. 2. Engineers maintain the machines. 3. The company still maintains that the drug is safe. 4. She maintains two sons at university. 1. to make something stay the same: KEEP: 2. to keep in good condition 3. to continue to say that something is true: ASSERT: 4. support (sb) financially Explanations: verb maintenance: noun e.g. The caretaker is responsible for the maintenance of the school buildings. The purpose of the UN is the maintenance of international peace and security. Detailed reading sedentary : Detailed reading e.g. Many health problems are caused by our sedentary lifestyles. She finally got a sedentary office job after numerous interviews. Sedentary habits often interfere with health.  involving a lot of sitting and not much exercise Explanations: adj. Detailed reading correlate : Detailed reading e.g. Poverty and poor housing correlate with a shorter life expectancy. We can often correlate age with frequency of illness. Researchers cannot correlate the two sets of figures. If two or more things correlate or are correlated, they are connected in a way that is not caused by chance. Explanations: verb correlation : noun correlative : adj Detailed reading invalidate: Detailed reading e.g. 1. Later findings invalidated the theory. 2. Failure to disclose all relevant changes may invalidate your policy. to prove that an idea, a story, an argument, etc. is wrong to make a document, ticket, claim etc no longer legally or officially acceptable Explanations: verb validate : verb valid/invalid : adj Detailed reading overwhelm : Detailed reading e.g. Grief overwhelmed me. Harriet was overwhelmed by a feeling of homesickness. 2. The army was overwhelmed by the rebels. I was completely overwhelmed by hi