ThefamousscientistandthinkerCharlesDarwinwasbornonFebruary12，1809.HisfamilylivednotfarfromtheRiverSevernEngland.

Charles'fatherwasawell-knowndoctorandthesonofastillgreaterdoctorandscientist.Charles'fatherhopedthathissonwouldalsobecomeadoctor.

Asaboy，Charleslikedtogoforwalksinthefieldsandforests.Hewatchednatureandcomparedwhathesawwitheverythinghehadreadinsciencebooks.Healsolikedcollectingverymuch.Hecollectedmanythings：eggsstonesandleaves.HisfatherdidnotlikethisasCharleswasnotstudyingverywellatschool.

ThenhestudiedatCambridgeUniversityuntil1831.SometimelaterheheardthattheshipBeaglewasgoingonatriptoSouthAmericaandwantedascientist.Hisprofessoradvisedhimtogo.HesaidthetripwouldbejustforDarwin.SowhentheshipleftEnglandinDecember1831，Darwinwasonit.Theresearchlastedalmostfiveyears.TheBeaglestudiedthewatersintheseanearSouthAmerica.ItalsovisitedNewZealandAustraliaandislandsinthePacific.Darwinsawmanynewplantsandanimals.Hecollectedallkindsofplants，whichhesenthomefromtheplaceshevisited.

Whenhereturnedhome，Darwinwaswarmlygreetedbyhisfamiliesandmanyfriends.

In1842DarwinwenttoliveinKentwherehecontinuedhisstudiesofthechangesinnature.Darwinunderstoodthatplantsandanimalsarenotalwaysthesameandthattheyreallychange.

By1859DarwinhadfinishedhisfamousbookTheOriginofSpecies.Itmadeagreathitintheworldofscience.Hewasopposed(反对)bythechurchandevenbysomescientists.Butlater，moreandmorescientistsagreedwithhim.

Darwincontinuedhisstudiesinscienceuntilhediedin1882.

根据短文内容，选择最佳答案。

( )1.WhatdidCharles'fatherwanthisson tobewhenthechildgrewup?

A.Ascientist. B.Athinker.

C.Adoctor. D.Ateacher.

( )2.HowoldwasCharleswhenheleft CambridgeUniversity?

A.21.B.22.

C.26.D.27.

( )3.WhywastheshipBeaglegoingona triptoSouthAmerica?

A. Todotheresearch.

B. Tocollectnewanimals.

C. Tocollectnewplants.

D. TovisitEngland.

( )4.Inthebeginningwh