are now looking__18__persuading people to stay in work until they are older. Surely，the thinking goes，if we are healthier now and jobs are physically less__19__and unemployment is down，then perhaps the__20__rate should rise anew.

　　1.[A] unsolvable [B] additional [C] unsustainable [D] undue

　　2.[A] delaying [B] retaining [C] detaining [D] hindering

　　3.[A] ultimate [B] unattainable [C] specific [D] expensive

　　4.[A] substantial [B] essential [C] potential [D] controversial

　　5.[A] donating [B] sponsoring [C] subsidizing [D] funding

　　6.[A] outlook [B] outcome [C] outbreak [D] outset

　　7.[A] prolonging [B] expanding [C] soaring [D] rising

　　8.[A] in [B] on [C] by [D] for

　　9.[A] conceived [B] reckoned [C] expected [D] meant

　　10.[A] As [B] Such [C] So [D] It

　　11.[A] should pay [B] paying [C] be paid [D] would pay

　　12.[A] but [B] for [C] and [D] thus

　　13.[A] multitude [B] implementation [C] application [D] generosity

　　14.[A] exaggerate [B] augment [C] magnify [D] multiply

　　15.[A] insufficient [B] influential [C] inefficient [D] intrinsic

　　16.[A] advancing [B] previous [C] ahead [D] preceding

　　17.[A] suspensions [B] abundances [C] redundancies [D] discrepancies

　　18.[A] for [B] to [C] about [D] at

　　19.[A] turbulent [B] strenuous [C] compact [D] intricate

　　20.[A] dependency [B] fertility [C] present [D] mortality

　　答案