解析:
47):空格前为一形容词,通常其后修饰名词,可推知空格处要填一单数名词。从前文可知,所填名词指代EINino(厄尔尼诺)这种奇怪的气候现象。选项中共有六个名词,而能指代EINino的只有F)phenomenon(现象)。
48):从主谓搭配来看,空格处描绘信风在哪方面减弱(thetradewindslessen),选项中剩下的五个名词中能形容风力减弱的只有B)strength(力量)。
参考答案:
47)F48)B49)E50)L51)K52)J53)N54)A55)O56)I
附三:常见词性后缀辨析
1.副词
-lyslowly,quickly,really
-ward(s)westward,westwards,backwards
-wiseclockwise,otherwise,
2.形容词
-ablecapable,acceptable
-iblevisible,sensible,permissible
-alpersonal,internal,critical,accidental,continual
-arynecessary,primary,secondary
-orysatisfactory,illusory
-fulcheerful,useful,faithful
-icrealistic,specific,poetic,energetic
-icalphysical,classical,economical
-ishfoolish,childish,selfish
-ousenvious,poisonous,courageous
-iousreligious,furious,precious
-somelonesome,troublesome,handsome
-ydirty,healthy,rainy,thirsty,sunny
3.动词
-endeepen,soften,sharpen,hasten,widen
-ifyunify,beautify,satisfy,simplify
-ize(ise)modernize,realize,realise
4.名词
-abilityusability,capability
-iblityvisibility,responsibility,stability
-agepackage,shortage,marriage
-anceimportance,allowance,reliance
-encepresence,absence,confidence
-antassistant,accountant,inhabitant
-entpresident,resident,dependent
-cybankruptcy,literacy,democracy
-ionconstruction,rebellion
-itionposition,repetition,tuition
-ationconsideration,realization,dictation,presentation
-tyloyalty,identity,cruelty
-mentmovement,government,argument
-nesscarefulness,illness,happiness
-ologyphysiology,sociology,zoology
-shipfriendship,professorship,leadership,hardship
-sionconfusion,decision,revision,discussion
-ureexposure,pleasure,failure,pressure,future