03-七年级（下册）Units 1-4 中考考点透析精练.pptx

精练版第一部分中考考点透析七年级（下册）Units1~4

一、阅读理解（2024广西中考改编）Haveyoueverimaginedwhatbeescandowiththeirtinybrains?Nowscientistsarelookingintoabeesbrain.ClintPerry,ascientist,hasspentmuchtimestudyinghowbeesthink.Hesaysstudyingbeesisnotverydifferentfromstudyingotheranimals.“Themaindifficultyistodesignanexperiment（实验）withbeesandgetwhatwewant,”hesays.“Withhumans,wecanaskthemaquestionandgetananswer.Butwecantusethesameway

togetananswerfrombees.Theyarejusttryingtoobtainsugar.Beeslikesugar.”Thefactthatbeeslikesugarishelpfulforscientiststodesignexperiments.Forexample,inoneexperiment,Perrygavebeesatask:tofinddelicioussugaronalandingplaceaboveablackbar（棒）.Perrymadethetaskeasierorharderbymovingthelandingplacefartherfromorclosertotheblackbar.Hefoundthatbeeswouldavoidthetaskwhenitwasdifficult.Andwhenthetaskwaseasy,beeswouldtryit.

Asforhumans,wemightchoosenottotakeatestwhenwewerentreadyforit.Andwemightchoosetotakethetestwhenwewerewell-prepared.Inthesameway,beesseemedtomakedecisionslikehumans.Perrypointsoutthatwearenotsurewhetherbeesactuallymakeathoughtfulchoicefromexperiments.Nowscientistsstilldonotknowhowbeesmanagetodosomuchwiththeirtinybrains.Butlearningmoreabouthowbeesbrainsworkcouldhelpuslearnmoreabouthowourownbrainsdealwithinformation.

1.WhatdidPerrystudyinhisexperiments?()BA.Howbeessleep. B.Howbeesthink.C.Howbeesdream. D.Howbeesmakedecisions.2.Whatdoestheunderlinedword“obtain”mean?()CA.Lose. B.Invent. C.Get. D.Improve.3.WhatwouldbeesdowhenthetaskwaseasyaccordingtoParagraph3?()AA.Theywouldtryit. B.Theywouldavoidit.C.Theywouldpraiseit. D.Theywouldchangeit.

4.Whatstheimportanceoflookingintobeesbrains?()AA.Ithelpsuslearnhowhumanbrainswor