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       291.It saves your time.So that you can devote more energy to your work and gain competitive edge.

　　292.it is less tasty and less nutrition

　　293.Traditional foods generally involve elaborate preparations.

　　294.Like it or not, it is here to stay.

　　295.The co-existance of the two kinds of foods only makes our life more colorful.

　　296.People can no longer afforded to be computer-illiterate.

　　297.This will put this childern in an unfaorable position in the future job market.

　　298.You can still use your mind to think when you have a computer,and the use of computer and training in writing and calculate are not mutually cxclusive.

　　299.potential harmful impact on sb

　　300.such worries have proved to be unfounded

      301.They don't care about winning or losing.

　　302.produce better foodstuffs in terms of quality and quantity

　　303.GM(Genetically modified) technology opens a new dimension for scientific research.

　　304.bring the whole plant growth process under our control

　　305.With careful regulation and control, the advantages wil far outweight the disadvantages.

　　306.high tuition fees 复数

　　307.make sure that money does not corrupt this international goodwill sports gathering

　　308.dissolve tensions between countries and promote harmony between their people

　　309.deter would-be crimials

　　310.fortitude