There exist now a park that has a small river running80.__________
There exist now a park that has a small river running80.__________
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Whichfouraretrue?() A.Has-arelationshipsshouldneverbeencapsulated.B.Has-arelationshipsshouldbeimplementedusinginheritance.C.Has-arelationshipscanbeimplementedusinginstancevariables.D.Is-arelationshipscanbeimplementedusingtheextendskeyword.E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.
The population of the world ____ still ____ now.A.has; grown B.is; growing C.will; grow D.is; grown
1、. 朗读下列单词。QQ语音提交（分3个语音） 1） Park, pork, earn, do, me 2） Now, ghost, name, ripe, coin, lure, stare, ear 3） Cat, bet, hungry, job, earn, toward, good, kill
2、下面能正确显示水分子表达式的选项为（）。A．H＜sub＞2＜/sub＞OB．H＜small＞2＜/small＞OC．H＜small＞＜sup＞2＜/sup＞＜/small＞OD．H＜small＞＜sub＞2＜/sub＞＜/small＞O
下面能正确显示水分子表达式的选项为（）。A．H＜sub＞2＜/sub＞OB．H＜small＞2＜/small＞OC．H＜small＞＜sup＞2＜/sup＞＜/small＞OD．H＜small＞＜sub＞2＜/sub＞＜/small＞O