53考点：词组
辨析：•catch up on --- bring an activity nearer to completion: I must catch up on my correspondence.
• clear up --- make tidy: Clear up this litter at once.
• make up --- make up for, make up along, make up over, make up to
• pick up --- take into the mind and understand, typically with speed: picked up on the new approach and applied it to the project.
答案：D
54考点：同义词(动宾的搭配)
辨析：•disgust -- profound aversion or repugnance excited by something offensive: arouse [ awaken / cause / evoke] disgust; feel disgust; hide disgust; return disgust; show disgust; take a disgust
• curse --- an appeal or prayer for evil or misfortune to befall someone or something: call down curse; give curse; heap curses on; pronounce a curse on
• grudge --- a deep-seated feeling of resentment or rancor: bear a grudge about the accident: bear a grudge
• hatred --- intense animosity or hostility: bear sb. hatred; bear hatred against sb.; conceive a profound hatred for; create hatred; feel hatred; hold a special hatred for; have a hatred for
答案：C
55.考点：同义词
辨析：dismiss --- end the employment or service of; discharge; allow to leave: be dismissed from school [service / class]
discharge --- release, as from confinement, care, or duty: discharge a patient; discharge a soldier; be discharged from hospital [military service / from prison / office]
expel --- force to leave; deprive of membership: expelled the student from college for cheating: be expelled from a country [school]
resign --- give up (a position, for example), especially by formal notification: resign from cabinet [committee] The professor resigned from his university. Resign … to …
答案：B
56考点：易混淆词
辨析：•invaluable --- of inestimable value; priceless:
priceless --- of inestimable worth; invaluable.
unworthy --- lacking value or merit; worthless --- a man unworthy of honor; unworthy of the times in which we live; unworthy to attention [unworthy of]
worthless --- lacking worth; of no use or value: The goods are often worthless by the time they arrive.
[注意]：invaluable 不是valuable的反义词。表示某物毫无价值时用worthless 或not worth anything : I started collecting his pictures when they weren’t worth anything.
答案：D