Why can redwoods survive so long?

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问题 Why can redwoods survive so long?

选项 A、The optimum climate.
B、Absence of natural enemies.
C、Coastal isolation.
D、Their bark’s protection against forest fire.

答案D

解析细节题。对话谈到红杉对森林火灾有很强的防御能力。它的坚硬的、厚厚的树皮在火灾中可以保护它。所以红杉寿命长的原因是它的树皮可以抵御火灾，即选项D。

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专业英语四级

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Why can redwoods survive so long?

专业英语四级

BilingualeducationiscontroversialintheUnitedStates.【C1】,agrowingbodyofresearchshowsthat【C2】speakingt

Throughouttheyears,musichasbeenacommonthreadthatunitesgenerationsandhadprovidedsocialcommentary,individualexpr

IsContinuingEdforYou?Continuingeducationisimportantforeveryonenow,inallfields.Almostassoonasyou’vecompl

WhatprobablycontributedmosttothesuccessofthenewstudyofMountEverest?

TheFrontierandtheFamilyTheimpact(影响)ofthefrontierhasbeentraditionallyassumedbyhistorians,whohavestudied

Howmanyyearsoffinancialstatusshouldthemanoffer?

Theoldpaintingwasdamagedinthefloodandhadtobepainstakingly______.

_____otherwisedirectedbyadoctor,thismedicineshouldbetakenthreetimesaday.

JacobZumaisgoingtobechargedfor

Itwassaidhismother______forcedhimintojoiningthearmy.

一侧视神经损伤，可导致①______；视交叉中央部(交叉纤维)损伤，可引起②；一侧视交叉外侧部(未交叉纤维)损伤，可出现③；一侧视束及其以后传导通路(如视辐射、视觉中枢)损伤，可引起④

女性，58岁，被汽车撞伤右胸，造成6～8肋骨骨折，右胸中量积液，行胸腔闭式引流，引流出血液550ml，其血胸属于

小儿时期常见的贫血是

妇科常用中成药的药物组成中，含有牡丹皮的是

患者，女，45岁，因蛛网膜下腔出血住院。患者出现定向力障碍，思维和语言不连贯，有错觉、幻觉、躁动不安。该患者的意识状态为

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现代生物技术的核心是()。

TheStoryofLaniFive-year-oldLanistilltakessevenmedicineswithherbreakfasteverymorning."She’sverygoodaboutit,

Iheardalovelystoryaboutsomebodywhotook【B1】______onherhusband~AyoungmanpickedupacopyoftheEveningStandardon

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IsContinuingEdforYou?Continuingeducationisimportantforeveryonenow,inallfields.Almostassoonasyou’vecompl

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女性，58岁，被汽车撞伤右胸，造成6～8肋骨骨折，右胸中量积液，行胸腔闭式引流，引流出血液550ml，其血胸属于

小儿时期常见的贫血是

妇科常用中成药的药物组成中，含有牡丹皮的是

患者，女，45岁，因蛛网膜下腔出血住院。患者出现定向力障碍，思维和语言不连贯，有错觉、幻觉、躁动不安。该患者的意识状态为

微观经济学与宏观经济学的主要不同包括()。

现代生物技术的核心是()。

TheStoryofLaniFive-year-oldLanistilltakessevenmedicineswithherbreakfasteverymorning."She’sverygoodaboutit,

Iheardalovelystoryaboutsomebodywhotook【B1】______onherhusband~AyoungmanpickedupacopyoftheEveningStandardon

【B1】【B19】

BilingualeducationiscontroversialintheUnitedStates.【C1】,agrowingbodyofresearchshowsthat【C2】speakingt

一侧视神经损伤，可导致①______；视交叉中央部(交叉纤维)损伤，可引起②；一侧视交叉外侧部(未交叉纤维)损伤，可出现③；一侧视束及其以后传导通路(如视辐射、视觉中枢)损伤，可引起④