[48].考查动词。根据文章第一段第一句whenourrestaurantbusinessfailed可知，填failed,复现。

[49].考查名词。由文章第五段ourlittlecampingtruck，可知填truck,tiny是small的同义替换，考查复现。

[50].考查形容词。由前文可知作者找到工作和后文wehadbecomeafamily可知，作者工作、家庭都有收获，所以作者感激，故选thankful.

【难度说明】：中等。

四、阅读理解

A

BeforeIhadmyson,Ispenttwoyearsworkingwithchildrenwithdisabilities.Ilearnedthatshoutingandthreatsofpunishmentwouldresultinadisaster.Comingupagainsttheirbehaviorcouldonlymakethejobharderandtheirbehaviormoreextreme.Ifoundsomethingthatworked,though.

Therewasaverynaughtyboyinthenurseryandateacherwhowasgenerallyveryconfidentwiththechildrenwasaskedtotakechargeofhim.Onedaytheboyjoinedasessionintheroomnexttomine.Hisappearancecreatedanatmosphereoftension.Hespenttheentiresessionrunningaround,hittingandkicking,anddestroyingproperty.

Iwasinthecraftroomworkingwithsomeotherchildrenwhenmyco-workertoldmethatthisboy’steacherwasintears,andcouldnotgetcontrolofthesituation.Asweweretalking,theboyranin.Itoldmyco-workerthatIwouldtakecareofhim.