考研英语完型1.docVIP

1996 Manpower?Inc.,?with?560?000?workers,?is?the?world’s?largest?temporary?employment?agency.?Every?morning,?its?people???swarm???into?the?offices?and?factories?of?America,?seeking?a?day’s?work?for?a?day’s?pay.?One?day?at?a?time.?As???industrial?giants?like?General?Motors?and?IBM?struggle?to?survive???by???reducing?the?number?of?employees,?Manpower,?based?in?Milwaukee,?Wisconsin,?is?booming.Even?though???its?economy?continues?to?recover,?the?US?is?increasingly?becoming?a?nation?of?part-?timers?and?temporary?workers.?This?“disposable???”?work?force?is?the?most?important??trend???in?American?business?today,?and?it?is??fundamentally??changing?the?relationship?between?people?and?their?jobs.?The?phenomenon?provides?a?way?for?companies?to?remain?globally?competitive???while???avoiding?market?cycles?and?the?growing?burdens??imposed??by?employment?rules,?health?care?costs?and?pension?plans.?For?workers?it?can?mean?an?end?to?the?security,?benefits?and?sense?of???importance???that?came?from?being?a?loyal?employee.? 1997 Vitamins?are?organic?compounds?necessary?in?small?amounts?in?the?diet?for?the?normal?growth?and?maintenance?of?life?of?animals,?including?man.They?do?not?provide?energy,???nor???do?they?construct?or?build?any?part?of?the?body.?They?are?needed?for???transforming????foods?into?energy?and?body?maintenance.?There?are?thirteen?or?more?of?them,?and?if???any???is?missing?a?deficiency?disease?becomes???apparent???.Vitamins?are?similar?because?they?are?made?of?the?same?elements—usually?carbon,?hydrogen,?oxygen,?and???sometimes???nitrogen.?They?are?different???in?that????their?elements?are?arranged?differently,?and?each?vitamin???performs????one?or?more?specific?functions?in?the?body.?Getting???enough?vitamins?is?essential?to?life,?although?the?body?has?no?nutritional?use?for???excess???vitamins.?Many?people,???nevertheless??,?believe?in?being?on?the?“safe?side”?and?thus?take?extra?vitamins.?However,?a?wellbalanced?diet?will?usually?meet?all?the?body’s?vitamin?nee