题目

根据岩石成因可将岩石分成岩浆岩、沉积岩和变质岩三种类型，下列有关岩浆岩的特征叙述正确的是( ) A . 有明显的气孔或柱状结构 B . 有明显的砂粒或砾石 C . 有明显的片状结构 D . 有明显的层状特征或化石分布 答案：ALast night, my dad showed me something special that I had never seen before. It was 【1】 old box which contained many silver coins. My dad has been collecting old silver coins 【2】 he was a kid. But I didn’t know 【3】 he had put all his coins he showed them to me. He said his father used to do the same. He decided to give me his collection when I was to move out to live 【4】 my own. I knew the 【5】(choose) I made was a difficult one, but I wanted to do things by myself.Myfatherdividedhiscollectionintotwopartsandtoldmetouse【6】onlywhenIreallygotintotrouble.Ididn’tunderstandwhathe【7】(mean),soheexplainedittome.AndIdidn’tknow whetherIcouldsellthemornot,soIaskedmyfathersomeotherquestionsaboutthemandheansweredthem【8】(patience)onebyone.Hesaidheonlysold【9】ofhiscoinstohelphimfinishhisstudiesmanyyearsago.After【10】(take)outpartofthecoins,IthankedhimandpromisedthatIwouldusethemwisely.