The feathers of birds (not only) protect their skin from injury and conserve (bo

游客2024-01-05 46

问题 The feathers of birds (not only) protect their skin from injury and conserve (body heat), but also (function) in flight, courtship, camouflage, and sensory (perceptive).

选项 A、not only
B、body heat
C、function
D、perceptive

答案 D

解析

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The feathers of birds (not only) protect their skin from injury and conserve (bo

Protectivebehaviorsof(amphibians)includehiding(in)thepresenceofdanger

Thefeathersofbirds(notonly)protecttheirskinfrominjuryandconserve(bo

Thebooby’sbrownfeathersare______itsbluefeetarebright.A、verydullB、dulle

TheouterlayerofthebarkAinsulatingthetreefromtheBweather,protectsthe

SometimesAlyingisanBessentialweaponforself-protection,andthismaybeCe

_____theabilityofbirdstomovethroughtheairusingwingsandfeathers.A、Fli

Besidesteachingteenagerstoprotecttheircomputers,thecourseopenstheirim

ThefootballstarsufferedankleinjuryduringEngland’sWorldCupquarter-final

Apigmentcalledmelaninprotectsthe______layersofskinfromsunrays.A、unde

Apigmentcalledmelaninprotectsthe______layersofskinfromsunrays.A、unde

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Anormalconversationbetweenstrangersinvolvesmorethantalk.Italsoinv

刺绣(embroidery)是一种具有悠久历史的传统中国手工艺品(handicraftart)。刺绣是用绣针和彩线在织物绣制各种图案。传统刺绣既可以单

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