Trees are useful to man in three very important ways: they pro vide him wood and other products; they give him shade; and they h

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问题 Trees are useful to man in three very important ways: they pro vide him wood and other products; they give him shade; and they help to prevent drought and floods.

选项

答案树对人类的重要性体现在三个方面：提供木材和其他产品；遮阴；有助于防止干旱和洪水。

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成人本科学位英语

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Trees are useful to man in three very important ways: they pro vide him wood and other products; they give him shade; and they h

成人本科学位英语

Peoplehavewonderedforalongtimehowtheirpersonalitiesandbehaviorsareformed.Itisnoteasytoexplainwhyoneperson

TheelectromagnetwasinventedinEnglandbyWilliamSturgeon,whotookanironrodandbentitintotheshapeofahorseshoe.T

Politically,thenationsoftheworldwillbecomemoretightlyintegratedbecauseofrapidlyimprovingtelecommunicationsandtr

CustomsofficersataLondonairportyesterdayfound$500000worthofdrugswhichwerebeingsmuggledintoBritaininboxesma

CustomsofficersataLondonairportyesterdayfound$500000worthofdrugswhichwerebeingsmuggledintoBritaininboxesma

Americansusuallyconsiderthemselvesafriendlypeople.Theirfriendships,however,tendtobeshorterandmorecasualthanfri

Wewereratherupsetbyhis______tosupportourproposals.

MostconsumersinChina’scitieswouldrather"suffersilently"overgrievancesthanstandupfortheirrights,asurveyshowed

Somejournalistsoftenoverstatethesituationsothattheirnewsmaycreateagreat______.

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