計算機軟件工程描述工具數(shù)據(jù)流圖，是SA方法中用于表示系統(tǒng)邏輯模型的一種工具，它以圖形的方式描繪數(shù)據(jù)在系統(tǒng)中流動和處理的過程，由于它只反映系統(tǒng)必須完成的邏輯功能，所以它是一種功能模型。
1、正確正確
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Johngotbeateninthegame,____hadbeenexpected.
Someconceptsmaybedifficulttograspchieflybecausetheymaybeunfamiliaror_____ideas,opinionswhichwealreadyhold.
DearMr./Ms,
Mr.JohnGreen,ourGeneralManager,willbeinParisfromJune2to7andwouldliketocomeandseeyou,say,onJune3at2.00p.m.abouttheopeningofasampleroomthere.Pleaseletusknowifthetimeisconvenientforyou.Ifnot,whattimeyouwouldsuggest.Yoursfaithfully,
請用寫信的方式來進行回復(fù)
Ihavea[sore]throatfromcold.
Allwewanttodo______tofindenoughwater_______thehorses.
