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。

解析

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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

Wheredopesticides(杀虫剂)fitintothepictureofenvironmentaldisease?Wehaveseenthattheynowpollutesoil,water,andfoo

Themostfundamentalgrouptowhichapersonbelongsisthefamily.Theinstitutionofthefamilyexistsinalmosteveryhumanc

Psychologiststakeopposingviewsofhowexternalrewards,fromwarmpraisetocoldcash,affectmotivationandcreativity.Beha

RelationsbetweentheUnitedStatesandColombiasufferedformanyyearsbecauseofanincidentinvolvingtheRepublicofPanama

Anallowance(零花钱)isanimportanttoolforteachingkidshowtobudget,saveandmaketheirowndecisions.Childrenrememberan

Youngpeopleoftenwonderatthelargenumberofemployerswhodonotrespondtotheirapplicationforjobs.Theysaythatdespi

Moods,saytheexperts,areemotionsthattendtobecomefixed,influencingone’soutlookforhours,daysorevenweeks.That’s

Videorecordersandphotocopiers,eventicketmachinesontherailways,oftenseemunnecessarilydifficulttouse.LastDecember

Investorsseemtobelosing______inthecarindustry.

Thesafetyofshipsatseadoesnotdependonlyonthearrangementsmadeintheshipsthemselves.Dangerouscoastsandrocksmay

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