阅读理解。
“Ifyouwanttoseeathingwellreachoutandtouchit!”Thatmayseemastrangethingtosay.Buttouchingthingscanhelpyoutoseethembetter.
Youreyescantellyouthataglassballisround.Butbyholdingitinyourhandsyoucanfeelnowsmooth（光滑的）andcoldtheballis.Youcanfeelhowheavytheglassis.Theroundnesssmoothnesscoldnessandheavinessareallpartsoftheball.Whenyoufeelallthesethingsabouttheballyoureallyseeit.
Youcanfeelsurprisinglywell.Forexampleyourfingers（手指）cantellthedifferenceofcoinsinyourpocket.Youcanfeelalittledropofwateronthebackofyourhand.
Youcanevenfeelsounds.Haveyoueverwonderedwhysomepeoplelikeveryloudmusic?Theymustliketofeelthesoundsofmusicaswellastohearthem.
Allchildrensoonlearnwhat“Don’ttouch!”means.Theyhearitoften.Yetmostofuskeeprightontouchingthingsaswegrowup.Instoreswetouchthingswewanttobuy:foodclothingtablesandbeds.Toseesomethingwellwehavetotouchit.
Ourfeetcanfeelthingstoo.Youknowthiswhenyouwalkwithoutwearingshoesonwarmsandcoolgrassandasoftrug（地毯）.Allfeeldifferentunderyourfeet.
Therearewaysoflearningtoseewellbyfeeling.Onewayistocloseyoureyesandtrytofeeleverything.Feeltheshoesonyourfeettheclothesonyourbodyandtheair...Atfirstitisnoteasytofeelthesethings.Youaretoousedtothem.
Mostthingsonshowinmuseumsarejustforlooking.Buttoday“Dotouch!”Thereyoucanfeeltheshape（形状）ofagunthesmoothsilkofadressandtheroughwoodofanoldchair.
1.Byholdingaglassballinyourhandsyoucannotfeel_______itis.
A.howmuchB.howcold C.howheavyD.howsmooth
2.Itisnoteasytofeel________onyourfeetatfirstbecauseyouaretoousedtothem.
A.thegrassB.thesandC.theshoesD.therug
3.Instorespeopleusuallytouchthings_______.
A.theylike B.theywanttobuy
C.thatarebeautiful D.thatareexpensive
4.Somepeoplelikeloudmusicbecause______.
A.itsoundsbeautiful B.theycanhearitclearly
C.itisquitepopular D.theyliketohearandfeelit
