问题补充:
单选题Everyyear_____moneyandenergyisspentonenvironmentprotection.A.large quantities ofB.a large number ofC.a large quantity ofD.a plenty of
答案:
C解析此题考查“许多的,大量的”表达法,题中money, energy 为不可数名词,因此B 不对 a large number of 修饰可数名词复数,D 选项应把a去掉,plenty of 修饰可数名词不可数名词都可以,A选项中large quantities of +n(可数或不可数)作主语时,谓语动词都用复数。C选项中. a large quantity of +可数名词复数作主语时,谓语动词用复数,+不可数名词作主语时,谓语动词用单数。题中谓语动词为is ,因此选C。