【正文】
60。 【分析】答案是A?!耙蓡?wèn)詞+to do ”做主語(yǔ),謂語(yǔ)動(dòng)詞用單數(shù),此題又是被動(dòng)語(yǔ)態(tài)。2 復(fù)合不定時(shí)做主語(yǔ)以some,any,every,no,開(kāi)頭,以thing,body,one結(jié)尾的復(fù)合不定代詞作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù)。如:Everything is going 。、書(shū)名、國(guó)名作主語(yǔ)表示學(xué)科(如physics,politics,maths)、書(shū)名(如The Arabian Nights)、國(guó)名(如the United States,Wales,the United Nations)等以s結(jié)尾的名詞作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞通常用單數(shù)。如:The United States has many different kinds of climate.