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

游客2025-03-16 17

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

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Themainideaofthispassageis______.[br]Itcanbeguessedfromthepassage

Themainideaofthispassageis______.[br]Thereasonwhyfewairlineswantt

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

Accordingtothepassage,whichofthefollowinghaschangedthemostinthelas

He’slivedinLondon______.A、sincealongtimeB、forsometimeC、longbeforeD、

Everymeans______triedoutbutneverwithsuccess,asfarasmyknowledgegoes.A

属于嘌呤核苷酸互变抑制剂的是A.利妥昔单抗 B.羟基脲 C.氟尿嘧啶 D.

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