What is the most important service of trees to man according to the passage? [br

游客2025-03-16 34

问题 What is the most important service of trees to man according to the passage? [br] What does the author tell us in this passage?

选项 A、How trees help prevent droughts and floods.
B、The relationship between trees and man.
C、How an empire fell to pieces in ancient times.
D、A story of trees.

答案 B

解析本题考查的是考生对全文意思的整体把握。本文主要介绍失去森林对人类的影响，即树木与人类的关系，因此应选B。

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What is the most important service of trees to man according to the passage? [br

Whatisthebesttitleforthispassage?[br]Theword"levels"inthesecondpa

Itisonlywhenwecannotseeperfectlythatwerealizehowimportantoureyesa

Themainpointofthepassageis______.[br]TheAmericanAutomobileAssociatio

Themainpointofthepassageis______.[br]Theadvantageofchevronsoverstr

Themainpointofthepassageis______.[br]Onroadspaintedwithchevrons,dr

Youshouldmake(theother)fellow(tofeelimportant),ifyouwanttogetalong

Themainideaofthispassageis______.[br]Itcanbeguessedfromthepassage

Themainideaofthispassageis______.[br]Thereasonwhyfewairlineswantt

【B1】[br]【B20】A、informationB、servicesC、wealthD、materialsBservices，服务。Offer

Accordingtothepassage,whichofthefollowinghaschangedthemostinthelas

Theaveragepopulationdensityoftheworldis47personspersquaremile.C

A.equallyB.compensateC.distinctionD.givenE.qualifyF.fairerG.

Manypeopletodayareworriedaboutbirdflu.Theyareafraidthatitwillp

Carservicingissomethingthateverycarownerhastoexperienceatleastso

适用于小跨径桥梁，桥跨孔数与轻型桥墩配合使用时不宜超过三个的是（）。A.重力式

下列有关胎儿成熟度的检查，哪项不正确A.羊水中l／S比值≥2，提示胎肺成熟 B

在等容舒张期，心脏的房室瓣、动脉瓣均关闭。()

"大实有赢状"的病机，其主要形成基础是A.脏腑气血极虚，外现实象B.疾病初期，邪

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